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Lenovo ThinkCentre E73, Hardware Maintenance Manual

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Lenovo ThinkCentre E73 Hardware Maintenance Manual Download Page 36

Table 2. Programs in Control Panel (continued)

Program

Control Panel section

Green text in Control Panel

Rescue and Recovery

System and Security

Lenovo - Enhanced Backup and
Restore

System Update

System and Security

Lenovo - Update and Drivers

View Management Utility

System and Security

Lenovo View Management Utility

Note:

Depending on your computer model, some of the programs might not be available.

Accessing Lenovo programs on the Windows 8 operating system

If your computer is preinstalled with the Windows 8 operating system, you can access Lenovo programs
by doing the following:

Press the Windows key to go to the Start screen. Click a Lenovo program to launch it. If you cannot find the
program you need, move the pointer to the bottom-right corner of the screen to display the charms. Then
click the

Search

charm to search for the desired program.

Your computer supports the following Lenovo programs:

• Fingerprint Software

• Lenovo Companion

• Lenovo Solution Center

• Lenovo Support

• Password Manager

• System Update

Lenovo Support Web site

Technical support information is available on the Lenovo Support Web site at:
http://www.lenovo.com/support

This Web site is updated with the latest support information such as the following:

• Drivers and software

• Diagnostic solutions

• Product and service warranty

• Product and parts details

• User guides and manuals

• Knowledge base and frequently asked questions

32

ThinkCentre E73 Hardware Maintenance Manual

Summary of Contents for ThinkCentre E73

Page 1: ...ThinkCentre E73 Hardware Maintenance Manual Machine Types 10AS 10AV 10AU 10AW 10BF and 10BG ...

Page 2: ...ion on page 3 and Appendix A Notices on page 181 First Edition September 2013 Copyright Lenovo 2013 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...r problems 50 Serial port problems 51 Software problems 51 USB problems 52 Diagnostics 53 Lenovo Solution Center 53 Chapter 6 Using the Setup Utility program 55 Starting the Setup Utility program 55 Viewing and changing settings 55 Using passwords 55 Password considerations 56 Power On Password 56 Administrator Password 56 Hard Disk Password 56 Setting changing and deleting a password 56 Erasing l...

Page 4: ...g or replacing hardware 125 Installing external options 125 Removing the computer cover 126 Removing and reinstalling the front bezel 127 Accessing the system board components and drives 128 Installing or replacing a PCI Express card 129 Installing or replacing a memory module 131 Replacing the battery 133 Replacing the hard disk drive 134 Replacing the optical drive 136 Replacing the slim card re...

Page 5: ...n page 81 and Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 10BG on page 125 For FRU part numbers go to http www lenovo com serviceparts lookup Important safety information Be sure to read all caution and danger statements in this manual before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les ins...

Page 6: ...2 ThinkCentre E73 Hardware Maintenance Manual ...

Page 7: ...that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end Do not wear jewelry chains metal f...

Page 8: ... must be a complete circuit to cause an electric shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the s...

Page 9: ...inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products Each machine as it was designed and built had required safety items installed to protect users and service personnel from injury This guide addresses only those items However good judgment should be used to identify potential safety hazards due to attachment of featu...

Page 10: ...t Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those ...

Page 11: ...he installation and configuration procedures Connect and disconnect cables as described in the following tables when installing moving or opening covers on this product or attached devices To Connect To Disconnect 1 Turn everything OFF 2 First attach all cables to devices 3 Attach signal cables to connectors 4 Attach power cords to outlet 5 Turn device ON 1 Turn everything OFF 2 First remove power...

Page 12: ... exposure DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs CAUTION Use safe practices when lifting CAUTION The power control button on the device and the power switch on...

Page 13: ...Chapter 2 Safety information 9 ...

Page 14: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 PERIGO A corrente elétrica proveniente de cabos de alimentação de telefone e de comunicações é perigosa 10 ThinkCentre E73 Hardware Maintenance Manual ...

Page 15: ...s aos dispositivos 3 Conecte os cabos de sinal aos conectores 4 Conecte os cabos de alimentação às tomadas 5 LIGUE os dispositivos 1 DESLIGUE Tudo 2 Primeiramente remova os cabos de alimentação das tomadas 3 Remova os cabos de sinal dos conectores 4 Remova todos os cabos dos dispositivos CUIDADO Ao substituir a bateria de lítio utilize apenas uma bateria com Número de Peça 45C1566 ou um tipo de ba...

Page 16: ... evite exposição direta ao feixe 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs CUIDADO Utilize procedimentos de segurança para levantar equipamentos CUIDADO O botão de controle de alimentação do dispositivo e o botão para ligar desligar da fonte de alimentação não desligam a corrente elétrica fornecida ao dispositivo O dispositivo também pode ter mais de um cabo de alimentação Para remover toda a co...

Page 17: ...Chapter 2 Safety information 13 ...

Page 18: ...1 2 14 ThinkCentre E73 Hardware Maintenance Manual ...

Page 19: ...1 2 Chapter 2 Safety information 15 ...

Page 20: ...ent produit ou des périphériques qui lui sont raccordés reportez vous aux instructions ci dessous pour connecter et déconnecter les différents cordons Connexion Déconnexion 1 Mettez les unités HORS TENSION 2 Commencez par brancher tous les cordons sur les unités 3 Branchez les câbles d interface sur des connecteurs 4 Branchez les cordons d alimentation sur des prises 5 Mettez les unités SOUS TENSI...

Page 21: ...à laser contiennent une diode à laser intégrée de classe 3A ou 3B Prenez connaissance des informations suivantes Rayonnement laser lorsque le carter est ouvert Evitez toute expositiondirecte au rayon laser Evitez de regarder fixement le faisceau ou del observer à l aide d instruments optiques 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs ATTENTION Soulevez la machine avec précaution ATTENTION L inte...

Page 22: ...ten sind Zum Installieren Transportieren und Öffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemäß der folgenden Tabelle anschließen und abziehen Zum Anschließen der Kabel gehen Sie wie folgt vor Zum Abziehen der Kabel gehen Sie wie folgt vor 1 Schalten Sie alle Einheiten AUS 2 Schließen Sie erst alle Kabel an die Einheiten an 3 Schließen Sie die Signalkabel an di...

Page 23: ...hier angegeben verwendet kann gefährliche Laserstrahlung auftreten VORSICHT Einige Lasergeräte enthalten eine Laserdiode der Klasse 3A oder 3B Beachten Sie Folgendes Laserstrahlung bei geöffneter Verkleidung Nicht in den Strahl blicken Keine Lupen oder Spiegel verwenden Strahlungsbereich meiden 18 kg 32 kg 55 kg ACHTUNG Arbeitsschutzrichtlinien beim Anheben der Maschine beachten ACHTUNG Mit dem Ne...

Page 24: ...1 2 20 ThinkCentre E73 Hardware Maintenance Manual ...

Page 25: ...1 2 Chapter 2 Safety information 21 ...

Page 26: ...ioni di installazione spostamento o apertura dei coperchi di questo prodotto o delle unità collegate Per collegarsi Per scollegarsi 1 SPEGNERE le apparecchiature 2 Innanzitutto collegare tutti i cavi alle unità 3 Collegare i cavi di segnale ai connettori 4 Collegare i cavi di alimentazione alla presa 5 Accendere l unità 1 SPEGNERE le apparecchiature 2 Innanzitutto rimuovere i cavi di alimentazione...

Page 27: ...laser contengono un diodo laser di Classe 3A o Classe 3B Tener presente quanto segue Aprendo l unità vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici ed evitare l esposizione al fascio 18 kg 32 kg 55 kg ATTENZIONE Prestare attenzione nel sollevare l apparecchiatura ATTENZIONE Il pulsante di controllo dell alimentazione presente sull unità e l in...

Page 28: ...24 ThinkCentre E73 Hardware Maintenance Manual ...

Page 29: ...nstalación mantenimiento o reconfiguración de este producto durante una tormenta eléctrica Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y conectadas a tierra Cualquier equipo que se conecte a este producto también debe conectarse a tomas de corriente debidamente cableadas Siempre que sea posible utilice una sola mano para conectar o desconectar los cables de ...

Page 30: ...ositivos PRECAUCIÓN Cuando sustituya una batería de litio utilice solamente una batería número de pieza 45C1566 u otra de tipo equivalente recomendada por el fabricante Si su sistema dispone de un módulo que contiene una batería de litio reemplácelo sólo con el mismo tipo de módulo del mismo fabricante La batería contiene litio y puede explotar si no se utiliza manipula o desecha correctamente No ...

Page 31: ...IÓN Adopte procedimientos seguros al levantar el equipo PRECAUCIÓN El botón de control de alimentación del dispositivo y el interruptor de alimentación de la fuente de alimentación no desconectan la corriente eléctrica suministrada al dispositivo Además el dispositivo podría tener más de un cable de alimentación Para suprimir toda la corriente eléctrica del dispositivo asegúrese de que todos los c...

Page 32: ...28 ThinkCentre E73 Hardware Maintenance Manual ...

Page 33: ...nvironment Air temperature Operating 10 C to 35 C 50 F to 95 F Storage in original shipping package 40 C to 60 C 40 F to 140 F Storage without package 10 C to 60 C 14 F to 140 F without package Humidity Operating 20 to 80 non condensing Non operating 20 to 90 non condensing Altitude Operating 15 2 to 3 048 m 50 to 10 000 ft Non operating 15 2 to 10 668 m 50 to 35 000 ft Electrical input Input volt...

Page 34: ... 048 m 50 to 10 000 ft Non operating 15 2 to 10 668 m 50 to 35 000 ft Electrical input Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency range 50 to 60 Hz Voltage selection switch setting 115 V ac High range Minimum 200 V ac Maximum 240 V ac Input frequency range 50 to 60 Hz Voltage selection switch setting 230 V ac Lenovo programs Your computer comes with Lenovo programs t...

Page 35: ...essing Lenovo programs from Control Panel To access Lenovo programs from Control Panel click Start Control Panel Then depending on the program you want to access click the corresponding section and then click the corresponding green text Note If you do not find the program you need in Control Panel open the Lenovo ThinkVantage Tools program navigation window and double click the dimmed icon to ins...

Page 36: ...tart screen Click a Lenovo program to launch it If you cannot find the program you need move the pointer to the bottom right corner of the screen to display the charms Then click the Search charm to search for the desired program Your computer supports the following Lenovo programs Fingerprint Software Lenovo Companion Lenovo Solution Center Lenovo Support Password Manager System Update Lenovo Sup...

Page 37: ... displayed error codes Listen for beep codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If you do receive the correct response proceed to step 7 6 Look at the following conditions and follow the instructions If you hear beep codes during POST go to Beep symptoms on page 61 If the computer displays a POST error go to PO...

Page 38: ...identical only if they 1 Are the exact machine type and models 2 Have the same BIOS level 3 Have the same adapters attachments in the same locations 4 Have the same address jumpers terminators cabling 5 Have the same software versions and levels 6 Have the same diagnostic diskettes version 7 Have the same configuration options set in the system 8 Have the same setup for operating system controlled...

Page 39: ...of the computer make sure that it is switched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region The monitor screen is blank Verify that The monitor signal cable is correctly connected to the monitor and to the appropriate monitor connector on the computer The monitor power cord is correct...

Page 40: ...s that require ac power are connected to properly grounded functioning electrical outlets 3 Verify that all attached devices are enabled in the BIOS settings of your computer For more information about accessing and changing the BIOS settings refer to your Chapter 6 Using the Setup Utility program on page 55 4 Go to the Troubleshooting on page 37 and follow the instructions for the type of problem...

Page 41: ...electrical safety information provided with your computer For your safety do not operate the computer with the cover removed 2 Run the diagnostic programs to ensure your computer is operating correctly 3 Reinstall the new hardware option or software following the manufacturer s instructions Select the problem your computer is experiencing from the following list Audio problems on page 37 CD proble...

Page 42: ...rify that the audio device drivers are correctly installed See Microsoft Windows help system for more information If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 32 An audio disc or AutoPlay enabled disc does not automatically play when it is inserted ...

Page 43: ...does not work Actions Verify that the disc is inserted correctly with its label up Make sure that the disc you are using is clean To remove dust or fingerprints wipe the disc clean with a soft cloth from the center to the outside Wiping a disc in a circular motion might cause loss of data Verify that the disc you are using is not scratched or damaged Try inserting another disc that you know is goo...

Page 44: ...r regional coding You might need to purchase a disc with coding for the region where you are using your computer If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 32 No audio or intermittent audio while playing DVD movie Symptom No audio or intermittent ...

Page 45: ...ng the computer might overheat If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web site on page 32 Hard disk drive problems Select your symptom from the following list Some or all hard disk drives missing from the Setup Utility program on page 41 No Operating System Fo...

Page 46: ...smoothly with the mouse on page 43 The wireless keyboard does not work on page 43 All or some keys on the keyboard do not work Symptom All or some keys on the keyboard do not work Actions Verify that the keyboard cable is securely connected to the correct connector on the computer If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys th...

Page 47: ... does not move smoothly with the mouse Action Erratic movement of the mouse pointer is generally caused by a buildup of dirt oils and other contaminants on the ball inside the mouse Clean the mouse The fingerprint reader does not work Symptom The fingerprint reader does not work Action The following could cause the fingerprint reader not to operate properly Not enrolling your fingerprint correctly...

Page 48: ...computer inactivity Action The computer is probably set for energy savings with the power management feature If the power management feature is enabled disabling it or changing the settings might solve the problem If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 53 for instructions If you need technical assistance see Lenovo Support Web sit...

Page 49: ... resolution Advanced Settings Then click the Monitor tab and select a new refresh rate See your operating system documentation or help for further information on monitor settings If these actions do not correct the problem your monitor might need service See Lenovo Support Web site on page 32 for details The image is discolored Symptom The image is discolored Action The monitor might be affected b...

Page 50: ... enabled To update the driver right click the highlighted adapter 5 Click Update Driver Software and then follow the instructions on the screen On the Windows 8 operating system do the following 1 Open Control Panel 2 Click Hardware and Sound 3 Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation 4 If an exclamation mark i...

Page 51: ...t the switch is 802 3ab compliant gigabit over copper A wireless LAN problem Symptom You cannot connect using the built in wireless networking card Actions Make sure that your wireless LAN driver is the latest version Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file Make sure that your computer is within range of a wireles...

Page 52: ...hat The option is designed for your computer You followed the installation instructions supplied with the option and the installation instructions provided with your computer and all option files such as device drivers if required are installed correctly You have not loosened other installed options or cables If the option is an adapter you have provided enough hardware resources for the adapter t...

Page 53: ...ng system do the following 1 Click Start Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To check the amount of free space on the Windows 8 operating system do the following 1 Open the Windows Explorer and click Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To free up dis...

Page 54: ...e entry and then click Properties 4 Click the Tools tab 5 Click Defragment Now then click Continue 6 Click Defragment Now again to start a disk defragmentation process On the Windows 8 operating system do the following 1 Close any programs that are currently running and close any open windows 2 Open the Windows Explorer and click Computer 3 Right click your C drive entry and then click Properties ...

Page 55: ...e sure it is in the On position If the serial device has an Online switch make sure it is in the Online position If the serial device is a printer make sure paper is loaded correctly Verify that any software supplied with the serial device is correctly installed Refer to the documentation for the serial device option Make sure that the serial port adapter if you added one is properly installed and...

Page 56: ...operating system click Start Control Panel System and Security System System Protection System Restore Then follow the instructions on the screen On the Windows 8 operating system open Control Panel and click System and Security System System Protection System Restore Then follow the instructions on the screen If you are unable to resolve the problem through other methods uninstall the software pr...

Page 57: ...ovo technical support representative Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems It combines diagnostic tests system information collection security status and support information along with hints and tips for maximum system performance Notes The Lenovo Solution Center program can be downloaded from http www lenovo com diags I...

Page 58: ...54 ThinkCentre E73 Hardware Maintenance Manual ...

Page 59: ...l be prompted to do one of the following Press F1 to enter the Setup Utility program Note After you enter the Setup Utility program select Save Changes and Exit at the bottom of the screen The error message will not be displayed again Press F2 to bypass the error message and log in to the operating system Viewing and changing settings The Setup Utility program menu lists various items about the sy...

Page 60: ...u try to access the Setup Utility program The Setup Utility program cannot be accessed until a valid password is typed in If both the Power On Password and Administrator Password are set you can type either password However you must use your Administrator Password to change any configuration settings Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the ha...

Page 61: ...ff the computer by holding the power switch for approximately five seconds 7 Repeat step 1 through step 3 8 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 9 Reinstall the computer cover and connect the power cord For machine types 1577 1579 and 1607 see Completing the parts replacement on page 122 For machine types 1578 1583 and 1652 see Completing the parts repl...

Page 62: ...rtup Sequence Read the information displayed on the right side of the screen 4 Press F10 to save and exit the Setup Utility program See Exiting the Setup Utility program on page 59 Enabling ErP compliance mode You can enable the energy related products directive ErP compliance mode through the Power menu in the Setup Utility program to reduce the consumption of electricity when your computer is in...

Page 63: ...he BIOS settings do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 55 2 From the Setup Utility program main menu select Exit OS Optimized Default 3 Depending on the operating system to be installed do one of the following To install the Windows 8 64 bit operating system select Enabled To install an operating system other than Windows 8 64 bit select ...

Page 64: ...60 ThinkCentre E73 Hardware Maintenance Manual ...

Page 65: ...n The start up drive is not in the boot sequence in configuration Check the configuration and ensure the start up drive is in the boot sequence No operating system installed on the boot drive Install an operating system on the boot drive The boot sector on the start up drive is corrupted The drive must be formatted Do the following 1 Attempt to back up the data on the failing hard disk drive 2 Usi...

Page 66: ...ions Checks the memory operation Starts the video operation Verifies that the boot drive is working If the POST detects a problem an error message appears on the screen A single problem can cause several error messages to appear When you correct the cause of the first error message the other error messages probably will not appear on the screen the next time you turn on the system POST Error code ...

Page 67: ...age indicates that there is no microcode update image for the current microprocessor 0175 System Security Security data corrupted Press F1 to enter the Setup Utility program Then press F10 to save and exit the Setup Utility program 0176 System Security The system has been tampered with This error message is displayed when the computer is turned on with the cover open or removed Press F1 to enter t...

Page 68: ...ork administrator is using correct MAC address 5 Ensure no interrupt or I O address conflicts 6 Network adapter advise network administrator of new MAC address Dead computer See Hard disk drive boot error on page 61 1 Power Supply 2 System Board Diskette drive in use light remains on or does not light when drive is active 1 Diskette Drive 2 System Board 3 Diskette Drive Cable Flashing cursor with ...

Page 69: ...isk 1 If network administrator is using LCCM Hybrid RPL check startup sequence a First device network b Second device hard disk 2 Hard disk drive RPL computer does not RPL from server 1 Check startup sequence 2 Check the network adapter LED status Serial or parallel port device failure system board port 1 External Device Self Test OK 2 External Device 3 Cable 4 System Board Serial or parallel port...

Page 70: ... to re test the system 4 Repeat steps 1 through 3 until you find the failing device or adapter cards If all devices and adapter cards have been removed and the problem continues replace the system board See Replacing the system board on page 109 or Replacing the system board on page 159 66 ThinkCentre E73 Hardware Maintenance Manual ...

Page 71: ...he illustrations Locating connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations on page 67 shows the locations of the connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations 1 Hard disk drive activity indicator 5 USB connector USB port 1 2 Power indicator 6 Headphon...

Page 72: ...tion Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cable is connected between the audio line out connector of the device and the audio line in connector of the computer Audio line out connector Used to send audio signals from the computer to external devices such as powered stereo speakers spea...

Page 73: ...that requires a USB 2 0 or 3 0 connection such as a keyboard a mouse a scanner a printer or a personal digital assistant PDA A USB 3 0 connector provides high transmission speeds to reduce the time that is required for data transmission VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor connector Locating major FRUs and CRUs Figure 3 Component locations on p...

Page 74: ...cations The following table lists the major FRUs shown in Figure 3 Component locations on page 70 and identifies which FRUs also are self service CRUs or optional service CRUs 70 ThinkCentre E73 Hardware Maintenance Manual ...

Page 75: ...oprocessor No Yes 4 Memory modules Yes No 5 Optical drive available in some models Yes No 6 Front Wi Fi antenna available in some models No Yes 7 Front audio and USB assembly No Yes 8 Slim card reader available in some models No Yes 9 Front bezel Yes No 10 Thermal sensor No Yes 11 Hard disk drive No Yes 12 System board No No 13 Battery Yes No 14 Wi Fi adapter card available in some models No Yes 1...

Page 76: ...for connecting an additional USB device 4 Memory slot 1 DIMM1 17 Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper 5 Memory slot 2 DIMM2 18 Clear CMOS Recovery jumper 6 Thermal sensor connector 19 Serial COM2 connector 7 Power fan connector 20 Front audio connector 8 Hard disk drive Optical drive power connectors 21 Internal speaker connector 9 24 pin power connector 22 PCI Expres...

Page 77: ...on in Installing or replacing hardware on page 81 for instructions on how to install or replace internal drives for your computer Figure 5 Drive bay locations on page 73 shows the locations of the drive bays Figure 5 Drive bay locations 1 Bay 1 Optical drive bay with an optical drive installed on some models 2 Bay 2 Slim card reader drive bay 3 Bay 3 Primary hard disk drive bay with a 3 5 inch SAT...

Page 78: ...ctors controls and indicators on the front of your computer Figure 6 Front connector control and indicator locations 1 Optical drive eject close button 5 USB 2 0 connector USB port 2 2 Power switch 6 Microphone connector 3 Hard disk drive activity indicator 7 Headphone connector 4 Power indicator 8 USB 2 0 connector USB port 1 74 ThinkCentre E73 Hardware Maintenance Manual ...

Page 79: ... 6 Microphone connector 13 Padlock loop 7 Audio line out connector Connector Description Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cable is connected between the audio line out connector of the device and the audio line in connector of the computer Audio line out connector Used to send audi...

Page 80: ...rsonal digital assistant PDA USB 3 0 connector Used to attach a device that requires a USB 2 0 or 3 0 connection such as a keyboard a mouse a scanner a printer or a personal digital assistant PDA A USB 3 0 connector provides high transmission speeds to reduce the time that is required for data transmission VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor c...

Page 81: ...Component locations The following table lists the major FRUs shown in Figure 8 Component locations on page 77 and identifies which FRUs also are self service CRUs or optional service CRUs Chapter 8 Locations 77 ...

Page 82: ... Yes No 4 Optical drive available in some models Yes No 5 Front Wi Fi antenna available in some models No Yes 6 Front bezel Yes No 7 Front audio and USB assembly No Yes 8 Slim card reader available in some models No Yes 9 Thermal sensor No Yes 10 Front fan assembly No Yes 11 Hard disk drive No Yes 12 Battery Yes No 13 System board No No 14 Wi Fi adapter card available in some models No Yes 15 Wi F...

Page 83: ...connector 2 for connecting an additional USB device 4 Memory slot 1 DIMM1 17 Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper 5 Memory slot 2 DIMM2 18 Clear CMOS Recovery jumper 6 Thermal sensor connector 19 Serial COM2 connector 7 Power fan connector 20 Front audio connector 8 Hard disk drive Optical drive power connectors 21 Internal speaker connector 9 24 pin power connector 2...

Page 84: ...o the drive installed Refer to the appropriate section in Installing or replacing hardware on page 125 for instructions on how to install or replace internal drives for your computer Figure 10 Drive bay locations on page 80 shows the locations of the drive bays Figure 10 Drive bay locations 1 Bay 1 Secondary hard disk drive bay with a SATA solid state drive or a hybrid hard disk drive installed in...

Page 85: ...t two seconds This reduces static electricity from the package and your body Remove the new part from the static protective package and directly install it in the computer without placing it on any other surface If it is hard for you to do this in your specific situation place the static protective package of the new part on a smooth level surface and then place the new part on the static protecti...

Page 86: ...utes to let the computer cool before removing the computer cover To remove the computer cover do the following 1 Remove any media from the drives and turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the power cords Input Output cables and any other cables that are connected to the computer See Locating connectors controls and indicato...

Page 87: ... attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to remove and reinstall the front bezel To remove and reinstall the front bezel do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 82 Chapter 9 Replacing...

Page 88: ...3 Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward Figure 12 Removing the front bezel 84 ThinkCentre E73 Hardware Maintenance Manual ...

Page 89: ...ent on page 122 Installing or replacing a PCI Express card Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to install or replace a PCI Express card Your computer has two PCI Express x1 card slots and one PCI Express x16 graphics card slot To install or replace a PCI Express c...

Page 90: ... Figure 14 Removing the screw that secures the PCI Express card latch 4 Depending on whether you are installing or replacing a PCI Express card do one of the following If you are installing a PCI Express card remove the appropriate metal slot cover 86 ThinkCentre E73 Hardware Maintenance Manual ...

Page 91: ... in place by a retaining latch press the card retaining latch 1 as shown to disengage the latch Grasp the card and gently pull it out of the slot 5 Remove the new PCI Express card from its static protective package 6 Install the new PCI Express card into the appropriate slot on the system board See Locating parts on the system board on page 72 Note If you are installing a PCI Express x16 graphics ...

Page 92: ...ovides instructions on how to install or replace a memory module Your computer has two slots for installing or replacing double data rate 3 unbuffered dual inline memory modules DDR3 UDIMMs that provide up to a maximum of 8 GB system memory When installing or replacing a memory module use 1 GB 2 GB or 4 GB DDR3 UDIMMs in any combination up to a maximum of 8 GB To install or replace a memory module...

Page 93: ...ng on whether you are installing or replacing a memory module do one of the following If you are replacing an old memory module open the retaining clips and gently pull the memory module out of the memory slot Figure 17 Removing a memory module If you are installing a memory module open the retaining clips of the memory slot into which you want to install the memory module Figure 18 Opening the re...

Page 94: ...nt on page 122 Replacing the rear fan assembly Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to replace the rear fan assembly To replace the rear fan assembly do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the comput...

Page 95: ... rear fan assembly out of the chassis Note The new rear fan assembly will have four new rubber mounts attached Figure 20 Removing the rear fan assembly 6 Install the new rear fan assembly by aligning the new rubber mounts with the corresponding holes in the chassis and push the rubber mounts through the holes Chapter 9 Replacing FRUs machine types 10AS and 10AU 91 ...

Page 96: ...ation on page 1 Your computer has a special type of memory that maintains the date time and settings for built in features such as parallel port assignments configuration A battery keeps this information active when you turn off the computer The battery normally requires no charging or maintenance throughout its life however no battery lasts forever If the battery fails the date time and configura...

Page 97: ...ter is turned on for the first time after replacing the battery an error message might be displayed This is normal after replacing the battery 8 Turn on the computer and all attached devices 9 Use the Setup Utility program to set the date time and any passwords See Chapter 6 Using the Setup Utility program on page 55 Replacing the primary hard disk drive Attention Do not open your computer or atte...

Page 98: ... hard disk drive use the same way of installing the primary hard disk drive 4 Disconnect the signal cable and the power cable from the hard disk drive 5 Remove the four screws that secure the hard disk drive Then slide the hard disk drive out of the chassis 3 4 5 6 Figure 24 Removing the primary hard disk drive 94 ThinkCentre E73 Hardware Maintenance Manual ...

Page 99: ... system board See Locating parts on the system board on page 72 Then locate an available five wire power connector and connect it to the rear of the new hard disk drive Figure 26 Connecting a SATA hard disk drive What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Install...

Page 100: ...other piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to install or replace the optical drive Note The op...

Page 101: ... optical drive 5 Slide the new optical drive into the drive bay from the front and align the screw holes in the new optical drive with the corresponding holes in the drive bay Then install the three screws to secure the new optical drive in place Figure 29 Installing the optical drive Chapter 9 Replacing FRUs machine types 10AS and 10AU 97 ...

Page 102: ...afety information on page 1 This section provides instructions on how to replace the slim card reader Note The slim card reader is only available in some models To replace the slim card reader do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to ...

Page 103: ...r Do not touch the circuit board of it Figure 32 Removing the slim card reader from the bracket 7 Take the new card reader out of the static protective package by its sides 8 Align the new card reader in the slim card reader bracket and slide the card reader into the rail as shown until it stops Then install the two screws to secure the new card reader to the bracket Chapter 9 Replacing FRUs machi...

Page 104: ...ding hole in the chassis Then Install the screw to secure the card reader bracket to the chassis Figure 34 Installing the slim card reader bracket 11 Connect the cable of the new slim card reader to the system board See Locating parts on the system board on page 72 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to...

Page 105: ...ower supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician To replace the power supply assembly do the following 1 Turn off the computer and disconnect all po...

Page 106: ...your local country or region is 100 127 V ac set the voltage selection switch to 115 V If the voltage supply range in your local country or region is 200 240 V ac set the voltage selection switch to 230 V 7 Install the new power supply assembly into the chassis so that the screw holes in the power supply assembly align with those in the chassis 8 Install and tighten the four screws to secure the p...

Page 107: ...embly cable from the microprocessor fan connector on the system board See Locating parts on the system board on page 72 6 Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board a Partially remove screw 1 then fully remove screw 2 and then fully remove screw 1 b Partially remove screw 3 then fully remove screw 4 and then fully remove screw 3 No...

Page 108: ...n page 72 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Replacing the thermal sensor Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to re...

Page 109: ...ermal sensor inward and then push the clip outward to release the clip Then disengage the plastic holder holding the thermal sensor from the chassis Figure 37 Removing the thermal sensor 7 Pull the entire thermal sensor out of the chassis Chapter 9 Replacing FRUs machine types 10AS and 10AU 105 ...

Page 110: ...on the system board on page 72 10 Reinstall the front bezel See Removing and reinstalling the front bezel on page 83 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Replacing the microprocessor Attention Do not open your computer or attempt any repair before reading a...

Page 111: ...er on its side for easier access to the system board 4 Remove the heat sink and fan assembly See Replacing the heat sink and fan assembly on page 102 Note Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it does not get in contact with anything 5 Lift the small handle 1 and open the retainer 2 to access the microprocessor 3 Figure 39 Accessing the microp...

Page 112: ...hat the small handle is in the raised position and the microprocessor retainer is fully open 8 Remove the protective cover that protects the gold contacts of the new microprocessor 9 Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket 10 Lower the new microproc...

Page 113: ...attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 82 3 Lay the computer on its side for easier access to the system board 4 Remove all memory modules and PCI Express cards that are currently installed See Installing or replacing a ...

Page 114: ...he heat sink and fan assembly cable to the new system board See Replacing the heat sink and fan assembly on page 102 Note If necessary apply the appropriate amount of thermal grease on the bottom of the heat sink and fan assembly 12 Install all memory modules and PCI Express cards removed from the failing system board onto the new system board See Installing or replacing a memory module on page 88...

Page 115: ...nal instructions included with the replacement part you received Replacing the front audio and USB assembly Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to replace the front audio and USB assembly To replace the front audio and USB assembly do the following 1 Turn off the ...

Page 116: ... system board on page 72 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Replacing the Wi Fi units Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions ...

Page 117: ... a Wi Fi card module that supports the Bluetooth function disconnect the Bluetooth cable from the Wi Fi adapter card Figure 45 Disconnecting the Bluetooth cable Note The Bluetooth cable connects the Bluetooth connector on the Wi Fi adapter card to the front USB connector on the system board to support the Bluetooth function 4 At the rear of the computer remove the screw that secures the PCI card l...

Page 118: ...y alternate moving each side of the card a small amount until it is removed from the card slot Removing the Wi Fi card module To remove the Wi Fi card module do the following 1 Remove the Wi Fi adapter card from the computer and then disconnect the front and rear Wi Fi antenna cables from the Wi Fi card module Figure 47 Removing the Wi Fi antenna cables 114 ThinkCentre E73 Hardware Maintenance Man...

Page 119: ...rews that secure the Wi Fi card module 3 Pull the Wi Fi card module out of the mini PCI Express slot to remove it from the Wi Fi adapter card Figure 49 Removing the Wi Fi card module Installing the Wi Fi units To install the Wi Fi units do the following Chapter 9 Replacing FRUs machine types 10AS and 10AU 115 ...

Page 120: ...ard module into the mini PCI Express slot and then install the two screws to secure the Wi Fi card module to the Wi Fi adapter card Figure 50 Installing the Wi Fi card module 116 ThinkCentre E73 Hardware Maintenance Manual ...

Page 121: ... the installed Wi Fi card module supports the Bluetooth function use a Bluetooth cable to connect the Bluetooth connector on the Wi Fi adapter card to the front USB connector on the system board 5 Pivot the card latch to the closed position to secure the Wi Fi adapter card 3 4 5 6 Figure 52 Installing the WiFi adapter card What to do next To work with another piece of hardware go to the appropriat...

Page 122: ...lets 2 Install the rear Wi Fi antenna to the rear Wi Fi antenna cable connector attached on the rear of the computer 3 Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident 3 4 5 6 Figure 53 Installing the rear WiFi antenna What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Comp...

Page 123: ...attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to install or remove the front Wi Fi antenna Installing the front Wi Fi antenna To install the front Wi Fi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the compute...

Page 124: ...wn Then insert the front antenna cable through the hole in the front panel Figure 56 Installing the front Wi Fi antenna 6 Connect the front antenna cable to the Wi Fi card module What to do next To work with another piece of hardware go to the appropriate section 120 ThinkCentre E73 Hardware Maintenance Manual ...

Page 125: ...front antenna and cable from the front of the computer Figure 57 Removing the front Wi Fi antenna What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 122 Replacing the keyboard or mouse Attention Do not open your computer or attempt any repair before reading and understanding...

Page 126: ...ed to confirm the updated information in the Setup Utility program Refer to Chapter 6 Using the Setup Utility program on page 55 To reinstall the computer cover and reconnect cables to your computer do the following 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer See Locating major FRUs and CRUs on page 69 for the locatio...

Page 127: ...computer See Locating connectors on the rear of your computer on page 68 8 To update your configuration refer to Chapter 6 Using the Setup Utility program on page 55 Note In most areas of the world Lenovo requires the return of the defective Field Replaceable Units FRUs Information about this will come with the new FRUs or will come a few days after you receive the new FRUs Obtaining device driver...

Page 128: ...124 ThinkCentre E73 Hardware Maintenance Manual ...

Page 129: ... least two seconds This reduces static electricity from the package and your body Remove the new part from the static protective package and directly install it in the computer without placing it on any other surface If it is hard for you to do this in your specific situation place the static protective package of the new part on a smooth level surface and then place the new part on the static pro...

Page 130: ... computer cover do the following 1 Remove any media from the drives and turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the power cords Input Output cables and any other cables that are connected to the computer See Locating connectors controls and indicators on the front of your computer on page 74 and Locating connectors on the rea...

Page 131: ...emoving the computer cover on page 126 3 Remove the front bezel by releasing the three plastic tabs on the top of the front bezel and pivoting the front bezel outward to remove it from the computer Carefully lay the front bezel aside without disconnecting the power switch and light emitting diode LED assembly cable Figure 61 Removing the front bezel 4 To reinstall the front bezel align the other t...

Page 132: ...y repair before reading and understanding Important safety information on page 1 This section provides instructions on how to access the system board components and drives To access the system board components and drives do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove th...

Page 133: ... downward as shown Figure 64 Lowering the drive bay assembly Installing or replacing a PCI Express card Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to install or replace a PCI card Your computer has two PCI Express x1 card slots and one PCI Express x16 graphics card slot ...

Page 134: ...ve the metal slot cover If you are replacing an old PCI Express card remove the screw that secures the old PCI Express card grasp the old card that is currently installed and gently pull it out of the slot 3 4 5 6 Figure 65 Removing a PCI Express card Notes a The card fits tightly into the card slot If necessary alternate moving each side of the card a small amount until it is removed from the car...

Page 135: ... system memory When installing or replacing a memory module use 1 GB 2 GB or 4 GB DDR3 UDIMMs in any combination up to a maximum of 8 GB To install or replace a memory module do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and reinstalling th...

Page 136: ... memory module out of the memory slot Figure 66 Removing a memory module If you are installing a memory module open the retaining clips of the memory slot into which you want to install the memory module Figure 67 Opening the retaining clips 132 ThinkCentre E73 Hardware Maintenance Manual ...

Page 137: ...onfiguration A battery keeps this information active when you turn off the computer The battery normally requires no charging or maintenance throughout its life however no battery lasts forever If the battery fails the date time and configuration information including passwords are lost An error message is displayed when you turn on the computer Refer to the Lithium battery notice in the ThinkCent...

Page 138: ...rmal after replacing the battery 10 Turn on the computer and all attached devices 11 Use the Setup Utility program to set the date time and any passwords See Chapter 6 Using the Setup Utility program on page 55 Replacing the hard disk drive Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instruc...

Page 139: ...Removing the hard disk drive 6 Disconnect the signal cable and the power cable from the hard disk drive to completely remove the hard disk drive from the chassis 7 Connect one end of the signal cable to the rear of the new hard disk drive and the other end to an available SATA connector on the system board See Locating parts on the system board on page 79 Then locate an available five wire power c...

Page 140: ...ve What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 174 Replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to install or rep...

Page 141: ...l See Removing and reinstalling the front bezel on page 127 4 Pivot the drive bay assembly upward See Accessing the system board components and drives on page 128 5 Disconnect the signal cable and the power cable from the optical drive 6 Hold the optical drive and remove the two screws that secure the optical drive Figure 75 Removing the optical drive Chapter 10 Replacing FRUs machine types 10AU 1...

Page 142: ...ward and pivot the drive bay assembly downward as shown Figure 76 Lowering the drive bay assembly 8 Slide the optical drive out of the front of the computer Figure 77 Removing the optical drive 138 ThinkCentre E73 Hardware Maintenance Manual ...

Page 143: ...old the new optical drive and pivot the drive bay assembly upward Align the screw holes in the new optical drive with the corresponding holes in the drive bay Then install the two screws to secure the new optical drive in place Figure 79 Installing the optical drive Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 10BG 139 ...

Page 144: ...ing Important safety information on page 1 This section provides instructions on how to replace the slim card reader Note The slim card reader is only available in some models To replace the slim card reader do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that ar...

Page 145: ...ot touch the circuit board of it Figure 82 Removing the slim card reader from the bracket 7 Take the new card reader out of the static protective package by its sides 8 Align the new card reader in the slim card reader bracket and slide the card reader into the rail as shown until it stops Then install the two screws to secure the new card reader to the bracket Chapter 10 Replacing FRUs machine ty...

Page 146: ...ding hole in the chassis Then Install the screw to secure the card reader bracket to the chassis Figure 84 Installing the slim card reader bracket 11 Connect the cable of the new slim card reader to the system board See Locating parts on the system board on page 79 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to...

Page 147: ...of the optical drive bay see Replacing the solid state drive on the bottom of the optical drive bay on page 144 Replacing the solid state drive in the hard disk drive bay To replace the storage converter with the solid state drive installed in it you might follow the steps of replacing the hard disk drive See Replacing the hard disk drive on page 134 To replace the solid state drive in the storage...

Page 148: ...o replace the solid state drive on the bottom of the optical drive bay do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing...

Page 149: ...emoving the solid state drive bracket 7 Remove the four screws that secure the solid state drive to the bracket Then slide the drive as shown to remove it from the bracket Figure 88 Removing the solid state drive from the bracket 8 Take the new solid state drive out of the static protective package Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 10BG 145 ...

Page 150: ... the four screws to secure the new solid state drive to the bracket Figure 89 Installing the solid state drive into the bracket 10 Carefully slide the solid state drive bracket downward until it is secured by the three retaining clips 1 on the bottom of the optical drive bay 3 4 5 6 Figure 90 Installing the solid state drive bracket 146 ThinkCentre E73 Hardware Maintenance Manual ...

Page 151: ...t to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 174 Replacing the power supply assembly Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to replace the ...

Page 152: ...puter and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and reinstalling the front bezel on page 127 4 Pivot the drive bay assembly upward Then pivot the two plastic retaining clips outward to remove the heat sink fan duct from the failing heat sink and fan assembly 3 4 5 6 Figure 92 ...

Page 153: ...ve the three screws that secure the power supply assembly Press the power supply clip 1 downward to release the power supply assembly and then slide the power supply assembly to the front of the computer Lift the power supply assembly out of the computer 3 4 5 6 Figure 93 Removing the power supply assembly 7 Ensure that the new power supply assembly is the correct replacement Chapter 10 Replacing ...

Page 154: ...of the chassis Then install the three screws to secure the new power supply assembly in place Note Use only screws provided by Lenovo 3 4 5 6 Figure 94 Installing the power supply assembly 9 Connect the new power supply assembly cables to all drives and the system board See Locating parts on the system board on page 79 150 ThinkCentre E73 Hardware Maintenance Manual ...

Page 155: ...uter or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to replace the heat sink and fan assembly CAUTION The heat sink and fan assembly might be very hot Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover To replace the heat sink and fan assembly do th...

Page 156: ...nk fan duct from the failing heat sink and fan assembly 3 4 5 6 Figure 96 Removing the heat sink fan duct 5 Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board See Locating parts on the system board on page 79 152 ThinkCentre E73 Hardware Maintenance Manual ...

Page 157: ...mbly do not touch the thermal grease on the bottom of the heat sink and fan assembly 8 Place the new heat sink and fan assembly on the system board so that the four screws are aligned with the corresponding holes in the system board Note Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board 9 Follow t...

Page 158: ...how to replace the thermal sensor To replace the thermal sensor do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and re...

Page 159: ...l sensor as shown and then push the clip out of the outer side of the front panel Then disengage the plastic holder holding the thermal sensor from the chassis Figure 99 Removing the thermal sensor 8 Pull the entire thermal sensor out of the chassis Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 10BG 155 ...

Page 160: ... complete the installation or replacement go to Completing the parts replacement on page 174 Replacing the microprocessor Attention Do not open your computer or attempt any repair before reading and understanding Important safety information on page 1 This section provides instructions on how to replace the microprocessor CAUTION The heat sink and microprocessor might be very hot Turn off the comp...

Page 161: ...all cables connected to the system board See Locating parts on the system board on page 79 5 Lift the small handle 1 and open the retainer 2 to access the microprocessor 3 Figure 101 Accessing the microprocessor 6 Lift the microprocessor straight up and out of the microprocessor socket Figure 102 Removing the microprocessor Notes a Your microprocessor and socket might look different from the one i...

Page 162: ... is fully open 8 Remove the protective cover that protects the gold contacts of the new microprocessor 9 Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket 10 Lower the new microprocessor straight down into the microprocessor socket on the system board Figure ...

Page 163: ... the computer on its side for easier access to the system board 3 Remove the computer cover See Removing the computer cover on page 126 4 Remove the front bezel See Removing and reinstalling the front bezel on page 127 5 Pivot the optical drive bay assembly upward to gain access to the system board See Accessing the system board components and drives on page 128 6 Remove all memory modules and PCI...

Page 164: ...he heat sink and fan assembly cable to the new system board See Replacing the heat sink and fan assembly on page 151 Note If necessary apply the appropriate amount of thermal grease on the bottom of the heat sink and fan assembly 14 Install all memory modules and PCI Express cards removed from the failing system board onto the new system board See Installing or replacing a memory module on page 13...

Page 165: ...tructions on how to replace the system fan assembly To replace the system fan assembly do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and reinstalling the front bezel on page 127 4 Pivot the drive bay assembly upward to gain access to the sy...

Page 166: ...3 4 5 6 Figure 106 Removing the system fan assembly 162 ThinkCentre E73 Hardware Maintenance Manual ...

Page 167: ... on page 151 12 Reinstall the hard disk drive See Replacing the hard disk drive on page 134 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 174 Replacing the front audio and USB assembly Attention Do not open your computer or attempt any repair before reading and understa...

Page 168: ...assembly bracket into the chassis and align the screw hole in the bracket with the corresponding hole in the chassis 9 Install the screw to secure the bracket to the chassis 10 Pivot the drive bay assembly upward and reconnect the front USB and front audio cables to the system board See Locating parts on the system board on page 79 11 Reconnect the front audio and USB assembly cables to the front ...

Page 169: ... Removing the Wi Fi adapter card To remove the Wi Fi adapter card do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 If your computer comes with a Wi Fi card module that supports the Bluetooth function disconnect the Bluetooth cable from the Wi Fi adapter card Figure 109 Disconnec...

Page 170: ...What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 174 Removing the Wi Fi card module To remove the Wi Fi card module do the following 1 Remove the Wi Fi adapter card from the computer and then disconnect the front and rear Wi Fi antenna cables from the Wi Fi card module Fig...

Page 171: ... slot to remove it from the Wi Fi adapter card Figure 113 Removing the Wi Fi card module What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 174 Installing the Wi Fi units To install the Wi Fi units do the following Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 1...

Page 172: ...o screws to secure the Wi Fi card module to the Wi Fi adapter card Figure 114 Installing the Wi Fi card module 2 Connect the front antenna cable and rear antenna cable to the Wi Fi card module Figure 115 Connecting the Wi Fi antenna cables 168 ThinkCentre E73 Hardware Maintenance Manual ...

Page 173: ...e parts replacement on page 174 Installing or removing the rear Wi Fi antenna Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to install or remove the rear Wi Fi antenna Installing the rear Wi Fi antenna To install the rear Wi Fi antenna do the following 1 Turn off the co...

Page 174: ... Removing the rear Wi Fi antenna To remove the rear Wi Fi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Straighten the rear Wi Fi antenna so that it can be more easily twisted 3 Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer 3 4 5 6 Figure 118 Removing the rear WiFi antenna What to...

Page 175: ... the front Wi Fi antenna Installing the front WiFi antenna To install the front WiFi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and reinstalling the front bezel on page 127 4 Peel off the paper that protects the stickers on the f...

Page 176: ...omplete the installation or replacement go to Completing the parts replacement on page 174 Removing the front Wi Fi antenna To remove the front Wi Fi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 126 3 Remove the front bezel See Removing and reinstalling the front bezel on ...

Page 177: ...ty information on page 1 This section provides instructions on how to replace the keyboard or mouse To replace the keyboard or mouse do the following 1 Disconnect the old keyboard cable or mouse cable from the computer 2 Connect a new keyboard or mouse to one of the USB connectors on the computer Depending on where you want to connect the new keyboard or mouse see Locating connectors controls and ...

Page 178: ...rd components and drives on page 128 4 If you have removed the front bezel reinstall it See Removing and reinstalling the front bezel on page 127 5 Position the computer cover on the chassis so that the rail guides on the computer cover engage the rails on the chassis Then slide the computer cover to the front of the computer until it snaps into position and is closed Then install the two screws t...

Page 179: ...vice drivers for operating systems that are not preinstalled at http www lenovo com support Installation instructions are provided in readme files with the device driver files Chapter 10 Replacing FRUs machine types 10AU 10AW 10BF and 10BG 175 ...

Page 180: ...176 ThinkCentre E73 Hardware Maintenance Manual ...

Page 181: ...e stored in the nonvolatile memory on the system board After you replace the system board the VPD must be updated To update the VPD see Flash update procedures on page 177 BIOS levels An incorrect level of BIOS can cause false errors and unnecessary FRU replacement Use the following information to determine the current level of BIOS installed in the computer the latest BIOS available for the compu...

Page 182: ...do want to change the machine type and model press Y and then type in the machine type and model and press Enter 9 Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive 10 Restart your computer and start the Setup Utility program See Starting the Setup Utility program on page 55 11 From the Setup Utility program main menu ...

Page 183: ...d the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover For machine types 1577 1579 and 1607 see Removing the computer cover on page 82 For machine types 1578 1583 and 1652 see Removing the computer cover on page 126 3 Locate the Clear CMOS Recovery jumper on the system board See Locating parts ...

Page 184: ...nagement menu allow you to enable and disable features that turn on the computer automatically Wake Up on Alarm You can specify a date and time at which the computer will be turned on automatically This can be either a single event or a daily event Wake on LAN If the computer has a properly configured token ring or Ethernet LAN adapter card that is Wake on LAN enabled and there is remote network m...

Page 185: ...e publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Len...

Page 186: ...crovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited European conformance CE mark Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Lenovo The Lenovo logo Rescue and Recovery ThinkCentre ThinkVantage Microsoft Windo...

Page 187: ...ifications 73 80 E environment operating 29 30 Ethernet connector 68 76 exiting Setup Utility 59 external options installing desktop computers 125 external options installing tower computers 81 F failure recovering from a POST and BIOS update 179 flashing the BIOS 178 front connectors controls indicators 67 74 front audio and USB assembly replacing 111 163 front bezel front bezel removing 83 127 f...

Page 188: ...gs changing 55 viewing 55 Setup Utility 55 Setup Utility program starting 55 Setup Utility exiting 59 slim card reader replacing 98 140 solid state drive installing 95 solid state drive replacing 143 starting the Setup Utility program 55 startup device 58 sequence changing 58 temporary selecting 58 static sensitive devices handling 81 125 support web site support 32 support web site 32 system boar...

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