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Looking up FRU information

For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http:/www.lenovo.com/serviceparts-lookup

Locating parts on the system board

Figure 4 “Locations of the parts and connectors on the system board” on page 69 shows the locations
of the parts and connectors on the system board.

Figure 4. Locations of the parts and connectors on the system board

1

LCD panel connector

12

Rear I/O connector

2

Memory slots (2)

13

Serial connector

3

Integrated camera cable connector

14

SATA 3.0 connector (Hard disk drive signal connector)

4

Cover presence switch connector (Intrusion switch

connector)

15

SATA power connector (Hard disk drive and optical drive

power connector)

5

Touch control connector (not enabled)

16

PS/2 keyboard and PS/2 mouse connector

6

Battery

17

SATA 3.0 connector (Optical drive signal connector)

7

Clear Complementary Metal Oxide Semiconductor

(CMOS) /Recovery jumper

18

Converter board connector

8

Clear CMOS 2

19

Control button board connector

Chapter 8

.

Locations

69

Summary of Contents for ThinkCentre E73z

Page 1: ...ThinkCentre E73z Hardware Maintenance Manual Machine Types 10BD and 10BL ...

Page 2: ... Appendix A Notices on page 115 Second Edition January 2014 Copyright Lenovo 2013 2014 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software are 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: ...p Utility program 55 Viewing and changing settings 55 Using passwords 55 Password considerations 56 Power on password 56 Administrator password 56 Setting changing and deleting a password 56 Erasing lost or forgotten passwords clearing CMOS 56 Enabling or disabling a device 57 Selecting a startup device 57 Selecting a temporary startup device 58 Selecting or changing the startup device sequence 58...

Page 4: ...d 101 Replacing the LCD panel 103 Replacing the Wi Fi card 107 Completing the parts replacement 108 Chapter 10 Additional service information 111 Security features 111 Hardware controlled passwords 111 Operating system password 111 Vital product data 111 BIOS levels 111 Flash update procedures 111 Updating flashing the BIOS from a disc 112 Updating flashing the BIOS from your operating system 113 ...

Page 5: ...d diagnostic tests to troubleshoot problems effectively Before servicing a ThinkCentre computer be sure to read and understand Chapter 2 Safety information on page 3 Important safety information Be sure to read all caution and danger statements in this book before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter ...

Page 6: ...2 ThinkCentre E73z Hardware Maintenance Manual ...

Page 7: ...tool case away from walk areas so 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 ...

Page 8: ...nd in your pocket or behind your back Remember There must be a complete circuit to cause electrical 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 ...

Page 9: ...for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations Use good judgment as to the safety of any alter...

Page 10: ...point when working on a double insulated or battery operated system You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electricia...

Page 11: ...e lithium battery use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not Throw or immerse into water Heat to more than 100 C 212 F Repair o...

Page 12: ...evice and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 8 ThinkCentre E73z Hardware Maintenance Manual ...

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 E73z 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 cor...

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

Page 18: ...1 2 14 ThinkCentre E73z 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 E73z Hardware Maintenance Manual ...

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

Page 26: ...oni 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 E73z 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 E73z Hardware Maintenance Manual ...

Page 33: ...18 74 lbs 6 3 kg 13 89 lbs Environment 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 Humidity Operating 20 to 80 non condensing Storage 20 to 80 non condensing Altitude Operating 15 2 to 3048 m 50 to 10 000 ft Storage 15 2 to 10 668 m 50 to 35 000 ft Electrical input Input volta...

Page 34: ...gement Utility Screen Layout Note Depending on your computer model some of the programs might not be available Accessing 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 ...

Page 35: ... the screen to display the charms Then click the Search charm to search for the desired program On the Windows 8 1 operating system 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 click the arrow icon in the bottom left corner of the screen to go to the Apps screen Find the desired program in the apps list or search for it...

Page 36: ...32 ThinkCentre E73z Hardware Maintenance Manual ...

Page 37: ...mputer Look for 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 on page 33 If you do receive the correct response proceed to step 7 on page 33 6 Look at the following conditions and follow the instructions If you hear beep codes during POST go to Beep symptoms on page 59 If the co...

Page 38: ...dentical 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 the operating system control...

Page 39: ...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 correctly connected to the monito...

Page 40: ... right side and click Control Panel in the Windows System section Troubleshooting procedure Use the following procedure as a starting point for diagnosing problems you are experiencing with your computer 1 Verify that the cables for all attached devices are connected correctly and securely 2 Verify that all attached devices that require ac power are connected to properly grounded functioning elect...

Page 41: ... the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software do the following before referring to the troubleshooting information 1 Remove the new hardware option or software If you must remove the computer cover to remove a hardware option ensure that you review and follow the electrical safety information provided with your computer Fo...

Page 42: ...er is installed in one of the expansion slots the audio function built into the system board is disabled use the audio jacks on the adapter Ensure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature and must be configured to use SoundBlaster Pro or SoundBlaster emu...

Page 43: ...rted into a CD drive Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Actions If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem If you are using the Windows 7 operating system follow th...

Page 44: ...r choppy on page 41 Invalid disc or no disc found message on page 41 Black screen instead of DVD video Symptom Black screen instead of DVD video Actions Restart the DVD player program Close any open files turn off the computer and then restart the computer Try a lower screen resolution or color depth If these actions do not correct the problem run the Lenovo Solution Center program If you need tec...

Page 45: ... drive ensure that the DVD disc is in the drive labeled DVD If these actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 31 Intermittent problems Symptom A problem occurs only occasionally and is difficult to repeat Actions Verify that all cables and cords are securely connected to the computer and attached ...

Page 46: ...fer to Selecting a startup device on page 57 Note In rare cases the hard disk drive with the operating system might get corrupted or damaged In such cases you might need to replace the hard disk drive Refer to Replacing the 2 5 inch solid state drive or hybrid hard disk drive on page 80 and Replacing the 3 5 inch hard disk drive or hybrid hard disk drive on page 78 If these actions do not correct ...

Page 47: ... be used for a USB mouse or pointing device Verify that the device drivers for the mouse or pointing device are installed correctly If you are using a USB keyboard or mouse verify that the USB connectors are enabled in the BIOS settings See Enabling or disabling a device on page 57 If these actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance s...

Page 48: ... Keyboard does not work restart your computer If restarting your computer does not solve the problem verify that the following conditions are met The batteries are properly installed The batteries still retain their current The wireless Keyboard is located less than ten meters away from the transceiver The transceiver is fully installed Action If the Transceiver Communications LED is not on reconn...

Page 49: ...hese actions do not correct the problem run the Lenovo Solution Center program If you need technical assistance see Lenovo Support Web site on page 31 The image appears to be flickering Symptom The image appears to be flickering Actions The monitor might be operating in a low refresh rate display mode Set the monitor to the highest noninterlaced refresh rate supported by your monitor and the video...

Page 50: ...oblem your monitor might need service See Lenovo Support Web site on page 31 for details Networking problems The following are the most common networking problems Select your networking problem from the following list Ethernet problems on page 46 A wireless LAN problem on page 48 A wireless WAN problem on page 48 Bluetooth problem on page 48 Ethernet problems For Ethernet problems select your symp...

Page 51: ... the adapter have the same duplex setting If you configured the adapter for full duplex ensure that the switch port is also configured for full duplex Setting the wrong duplex mode can degrade performance cause data loss or result in lost connections You have installed all networking software that is necessary for your network environment Check with your LAN administrator for the necessary network...

Page 52: ...this case sensitive information A wireless WAN problem Message Unauthorized WAN card is plugged in Power off and remove the WAN card Action The WAN card is not supported on this computer Remove it Note Some computer models do not have a wireless WAN Bluetooth problem Symptom Sound does not come from the Bluetooth headset or headphone but comes from the local speaker even though the headset or head...

Page 53: ... with its own test instructions use those instructions to test the option If the failing option is a SCSI option verify that The cables for all external SCSI options are connected correctly The last option in each SCSI chain or the end of the SCSI cable is terminated correctly All external SCSI options are turned on External SCSI options must be turned on before the computer is turned on For more ...

Page 54: ... or off 4 A list of optional Windows components is displayed Follow the instructions on the screen Method 3 1 On the Windows 7 operating system click Start Computer On the Windows 8 operating system open File Explorer and click Computer On the Windows 8 1 operating system open File Explorer 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup 4 Click Clean up system file...

Page 55: ...ing a memory module on page 97 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 54 for instructions If you need technical assistance see Lenovo Support Web site on page 31 Printer problems Symptom The printer does not work Actions Verify that 1 The printer is turned on and is online 2 Paper is loaded correctly 3 The printer signal cable is ...

Page 56: ...ere 19 Consequently these programs sort dates out of order Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web Software does not work as expected Symptom Software does not work as expected Actions Most software programs have built in help systems that provide instructions for most tasks If you are havi...

Page 57: ...tch ensure that it is in the Online position If the USB device is a printer ensure that paper is loaded correctly Ensure that any device drivers or other software supplied with the USB device is correctly installed Refer to the documentation for the USB device Reset the device by detaching and reattaching the USB connector If these actions do not correct the problem run the Lenovo Solution Center ...

Page 58: ...using a Windows operating system other than Windows 7 Windows 8 or Windows 8 1 go to http www lenovo com diags for the latest information on diagnostics for your computer To run the Lenovo Solution Center program see Lenovo programs on page 29 For additional information refer to the Lenovo Solution Center help system Note If you are unable to isolate and repair the problem yourself after running t...

Page 59: ...and exit the Setup Utility program Press Enter when prompted to confirm the exit The error message will not be displayed again Press F2 to bypass the error message and log in to the operating system Note You have to enable the configuration change detection feature for the POST to detect the removal of the hard disk drive To enable the configuration change detection feature do the following 1 Star...

Page 60: ... responsible for maintaining the configuration settings of several computers you might want to set an Administrator Password When an administrator password is set you are prompted to type a valid password each time you 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 ...

Page 61: ...tely 10 seconds Then turn off the computer by holding the power switch for approximately five seconds 13 Repeat step 1 through step 6 14 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 15 Repeat step 8 through step 11 16 Turn on the computer to restart the operating system Enabling or disabling a device This section provides information on how to enable or disable...

Page 62: ...hange the BIOS settings before installing a new operating system To change the 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 or Windows 8 1 64 bit ...

Page 63: ...r FRU Action 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 startup drive is corrupted The drive must be formatted Do the following 1 Attempt to back up the data on the failing hard disk d...

Page 64: ...ion 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 Error code POST error message Description Act...

Page 65: ...erver 1 Ensure that network is in startup sequence as first device or first device after diskette 2 Ensure that network adapter is enabled for RPL 3 Network adapter Advise network administrator of new MAC address Computer will not perform a Wake On LAN if applicable 1 Check power supply and signal cable connections to network adapter 2 Ensure that the operating system settings are set to enable Wa...

Page 66: ...System Board Power on indicator or hard disk drive in use light not on but computer works correctly 1 Power switch LED assembly 2 System Board Printer problems 1 Printer 2 System Board Program loads from the hard disk with a known good diagnostics diskette in the first 3 5 inch diskette drive 1 Run the Setup Utility program and check Startup sequence 2 Diskette Drive 3 Diskette Drive Cable 4 Syste...

Page 67: ...ling devices or adapters 1 Power off the computer 2 Remove or disconnect the following components if installed one at a time a External devices modem printer or mouse b Any adapters c Memory modules d Extended video memory e External Cache f External Cache RAM g Hard disk drive h Diskette drive 3 Power on the computer to re test the system 4 Repeat steps 1 through 3 until you find the failing devi...

Page 68: ...64 ThinkCentre E73z Hardware Maintenance Manual ...

Page 69: ...hows the locations of the connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations 1 Integrated microphone 6 Card reader available in some models 2 Integrated camera indicator 7 USB 3 0 connector USB port 2 3 Integrated camera 8 Headphone connector 4 Power on indicator 9 Microphone connector 5 Internal speaker 10 USB 3 0 connector US...

Page 70: ...locations 1 Power cord connector 6 Power button 2 Ethernet connector 7 Brightness down control 3 VGA out connector 8 Brightness up control 4 USB 2 0 connectors USB ports 3 to 6 9 Security lock slot 5 Serial port available in some models 10 Optical drive Locating major FRUs and CRUs Figure 3 Locating major FRUs and CRUs on page 67 shows the locations of the major FRUs and CRUs in the computer To re...

Page 71: ...Figure 3 Locating major FRUs and CRUs Chapter 8 Locations 67 ...

Page 72: ... the access panel is removed the specific CRU is visible Number FRU description Self service CRU Optional service CRU 1 Frame stand No Yes 2 Computer cover No Yes 3 System board shield No No 4 Microprocessor fan No No 5 Handle bar No No 6 Heat sink assembly with Microprocessor underneath No No 7 Memory module No No 8 Battery No No 9 System board No No 10 LCD bracket No No 11 LCD panel No No 12 Car...

Page 73: ...D panel connector 12 Rear I O connector 2 Memory slots 2 13 Serial connector 3 Integrated camera cable connector 14 SATA 3 0 connector Hard disk drive signal connector 4 Cover presence switch connector Intrusion switch connector 15 SATA power connector Hard disk drive and optical drive power connector 5 Touch control connector not enabled 16 PS 2 keyboard and PS 2 mouse connector 6 Battery 17 SATA...

Page 74: ...FI card connector 20 14 pin power connector Power supply assembly connector 10 Internal speaker cable connector 21 Microprocessor fan connector 11 Card reader connector 22 Microprocessor 70 ThinkCentre E73z Hardware Maintenance Manual ...

Page 75: ...frame stand on page 71 To remove and install the monitor stand see Removing and installing the monitor stand on page 73 Removing and reinstalling the frame stand 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 remove and reinstall the frame stand CAUTION Turn off the c...

Page 76: ... the frame stand up and remove it from the computer Figure 5 Removing the frame stand 6 To install the frame stand position the frame stand over the computer so that the screw hole in the stand aligns with the corresponding hole in the computer cover Figure 6 Reinstalling the frame stand 72 ThinkCentre E73z Hardware Maintenance Manual ...

Page 77: ...emove 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 65 and Locating connectors on the rear of your computer on page 66 4 Plac...

Page 78: ...ace the monitor stand on the computer so that the two plastic tabs on the monitor stand align with the corresponding holes in the computer Install the two screws to secure the monitor stand to the computer Figure 9 Installing the monitor stand 8 If needed open the cable manager and route the cables connected to the computer through the cable manager to keep your workspace neat 74 ThinkCentre E73z ...

Page 79: ... Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove any locking device that secures the computer cover such as an integrated cable lock 4 Remove the frame stand See Removing and reinstalling the frame stand on page 71 5 Loosen the two screws 1 at the bottom of the computer and then lift the computer cover up to remov...

Page 80: ...e feet stand from the computer Figure 11 Removing the feet stand 7 To reinstall the feet stand place the feet stand on the computer so that the screw holes align with the corresponding holes in the computer and then reinstall the screws to secure the feet stand to the computer Removing and installing the hard disk drive EMI shield Attention Do not open your computer or attempt any repair before re...

Page 81: ... Remove the computer cover See Removing the computer cover on page 75 5 Pivot the hard disk drive EMI shield as shown to remove it from the hard disk drive bracket and then lift the EMI shield out of the chassis Figure 12 Removing the hard disk drive EMI shield Chapter 9 Replacing FRUs 77 ...

Page 82: ...hard disk drive Note The 3 5 inch hybrid hard disk drive is available only in some models To replace the 3 5 inch hybrid hard disk drive follow the steps of replacing the 3 5 inch hard disk drive To replace the 3 5 inch hard disk drive 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 d...

Page 83: ...ve 8 Remove the four screws that secure the hard disk drive to the bracket and then remove the hard disk drive from the bracket Do not touch the circuit board on the bottom of the hard disk drive Figure 15 Removing the hard disk drive from the bracket 9 To install the new hard disk drive position the new hard disk drive in the hard disk drive bracket so that the four screw holes in the hard disk d...

Page 84: ...o replace the 2 5 inch solid state drive or hybrid hard disk drive Note The 2 5 inch solid state drive and the 2 5 inch hybrid hard disk drive are available only in some models To replace the 2 5 inch hybrid hard disk drive follow the steps of replacing the 2 5 inch solid state drive To replace the 2 5 inch hard disk drive do the following 1 Remove all media from the drives and turn off all attach...

Page 85: ...moving the hard disk drive from the bracket 9 To install the new hard disk drive position the new hard disk drive in the hard disk drive bracket so that the three screw holes in the hard disk drive align with the corresponding holes in the bracket Then install the three screws to secure the hard disk drive to the bracket 10 Connect the hard disk drive cable to the new hard disk drive 11 Position t...

Page 86: ...ing 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 Place a soft clean towel or cloth on the desk or other flat surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up...

Page 87: ...w to secure the optical drive 8 Go to Completing the parts replacement on page 108 Removing and reinstalling the system board shield 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 remove and reinstall the system board shield To remove and reinstall the system board sh...

Page 88: ...n page 66 5 Remove the two screws 1 that secures the system board shield and then slide the system board shield out of the computer Figure 21 Removing the system board shield 6 To reinstall the system board shield slide the system board shield into the system board shield slot so that the screw holes aligns with that in the computer 7 Reinstall the two screws to secure the system board shield to t...

Page 89: ...des of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 75 4 Remove the system board shield See Removing and reinstalling the system board shield on page 83 5 Locate the rear I O assembly See Locating major FRUs and CRUs on page 66 6 Remove the five screws 1 that secure the ...

Page 90: ...nt safety information on page 1 This section provides instructions on how to remove the VESA mount bracket To remove the VESA mount bracket 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 Place a soft clean towel or cloth on t...

Page 91: ...nt on page 108 Replacing the power supply 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 replace the power supply To replace the power supply do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all pow...

Page 92: ...nd align the two screw holes in the new power supply with those in the computer main bracket Install the two screws to secure the new power supply 12 Route the new power cord connector cable and then reinstall the rear I O assembly See Replacing the rear I O assembly on page 84 13 Connect the new power supply cables to the power supply connectors on the system board See Locating parts on the syste...

Page 93: ...ssor fan cable and then disconnect the microprocessor fan cable from the system board See Locating parts on the system board on page 69 9 Remove the two screws 1 that secure the microprocessor fan to the main bracket Then lift the microprocessor fan off the main bracket Figure 26 Removing the microprocessor fan 10 To reinstall the microprocessor fan position the new microprocessor fan on the main ...

Page 94: ...m 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 Place a soft clean towel or cloth on the desk or other flat surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cov...

Page 95: ...ng the heat sink assembly 8 To reinstall the heat sink assembly position the new heat sink assembly on the system board so that the four screws are aligned with the corresponding holes in the system board 9 Follow the sequence 1 2 3 4 on the heat sink assembly to tighten the four screws to secure the heat sink assembly to the system board as shown in Figure 27 Loosing the four screws that secure t...

Page 96: ...th on the desk or other flat surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the computer cover See Removing the computer cover on page 75 4 Locate the microprocessor on the system board See Locating major FRUs and CRUs on page 66 5 Remove the system board shield See Removing and reinstalling the system bo...

Page 97: ...microprocessor in the socket c Touch only the sides of the microprocessor Do not touch the gold contacts on the bottom d Do not drop anything onto the microprocessor socket while it is exposed The socket pins must be kept as clean as possible Figure 30 Removing the microprocessor 9 Make sure that the small handle is in the raised position and the microprocessor retainer is fully open 10 Hold the n...

Page 98: ...tructions on how to replace the card reader Note The card reader is available only in some models To replace the 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 the computer 2 Place a soft clean towel or cloth on the desk or othe...

Page 99: ...w to replace the battery 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 the information active when you turn off the computer The battery normally requires no charging or maintenance throughout its life However if the battery fails the date time and configuration information ...

Page 100: ...urn on the computer and all attached devices Note When you turn on the computer for the first time after replacing the battery an error message might be displayed This is normal after replacing the battery 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 converter board Attention Do not open your computer...

Page 101: ... the two screw holes in the new converter board with those in the computer 10 Install the two screws to secure the new converter board to the main bracket 11 Reinstall the optical drive See Replacing the optical drive on page 82 12 Go to Completing the parts replacement on page 108 Installing or replacing a memory module Attention Do not open your computer or attempt any repair before reading and ...

Page 102: ...e 75 4 Locate the memory slots on the system board See Locating major FRUs and CRUs on page 66 5 Remove the system board shield or open the system board shield window to get access to the battery See Removing and reinstalling the system board shield on page 83 6 Remove any parts and disconnect any cables that might prevent your access to the memory slots 7 Do one of the following If you are replac...

Page 103: ...To replace the internal speakers 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 Place a soft clean towel or cloth on the desk or other flat surface Hold the sides of your computer and gently lay it down so that the screen is ...

Page 104: ...ty information on page 1 This section provides instructions on how to replace the integrated camera Note The integrated camera is available only in some models To replace the integrated camera 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 105: ... and understanding the Important safety information on page 1 This section provides instructions on how to replace the system board To replace the system board 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 Place a soft clean...

Page 106: ...install the six screws that secure the system board to the main bracket 15 Reinstall the rear I O assembly See Replacing the rear I O assembly on page 84 16 Reinstall the battery See Replacing the battery on page 95 17 Reinstall the memory modules See Installing or replacing a memory module on page 97 18 Reinstall the microprocessor See Replacing the microprocessor on page 91 19 Reinstall the heat...

Page 107: ...ocessor socket 6 Lower the microprocessor retainer and then lower the lever to secure the retainer Make sure the lever is locked into position 7 Follow any additional instructions included with the replacement part you received Note If your system board has two microprocessor sockets be sure to install a socket cover for each microprocessor socket Replacing the LCD panel Attention Do not open your...

Page 108: ...7 Remove the converter board See Replacing the converter board on page 96 8 Remove the rear I O assembly See Replacing the rear I O assembly on page 84 9 Remove the system board shield See Removing and reinstalling the system board shield on page 83 10 Disconnect the LCD panel cable from the system board See Locating parts on the system board on page 69 Figure 43 Disconnecting the LCD panel cable ...

Page 109: ...ge 69 13 Remove the integrated camera See Replacing the integrated camera on page 100 14 Lift the computer main bracket off the front bezel 15 Remove the four screws that secure the chassis to the LCD panel and then lift the chassis out of the computer to get assess to the LCD panel Figure 45 Removing the four screws that secure the LCD panel 16 Place the computer chassis over the new LCD panel so...

Page 110: ...t to the front bezel Figure 46 Reinstalling all eight screws that secure the computer main bracket to the front bezel 19 Reconnect the LCD panel cable to the system board See Locating parts on the system board on page 69 Figure 47 Reconnecting the LCD panel cable to the system board 20 Reinstall the integrated camera See Replacing the integrated camera on page 100 106 ThinkCentre E73z Hardware Mai...

Page 111: ...l 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 Place a soft clean towel or cloth on the desk or other flat surface Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up 3 Remove the c...

Page 112: ...the system board shield See Removing and reinstalling the system board shield on page 83 14 Go to Completing the parts replacement on page 108 Completing the parts replacement After completing the installation or replacement for all parts you need to reinstall the computer cover and reconnect cables To reinstall the computer cover and reconnect cables do the following 1 Make sure that all componen...

Page 113: ...cable lock 6 Reconnect the external cables and power cord to the computer 7 Depending on the parts you installed or replaced you might need to confirm the updated information in the Setup Utility program 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 Customer Replaceable Unit CRU Information about this will ...

Page 114: ...110 ThinkCentre E73z Hardware Maintenance Manual ...

Page 115: ...r you replace the system board the VPD must be updated To update the VPD see Flash update procedures on page 111 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 computer and where to obtain the latest level of BIOS To determi...

Page 116: ...ing N However if you 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 Utili...

Page 117: ...ts and disconnect all cables that are connected to the computer 2 Open the computer cover See Removing the computer cover on page 75 3 Remove the hard disk drive See Replacing the 2 5 inch solid state drive or hybrid hard disk drive on page 80 and Replacing the 3 5 inch hard disk drive or hybrid hard disk drive on page 78 4 Locate the Clear CMOS Recovery jumper on the system board See Locating par...

Page 118: ...ther 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 management software you can use the Wake on LAN feature When you set Wake on LAN to Enabled the computer will turn on when it receives a specific signal from another computer on the local area network LAN To enabl...

Page 119: ...ublication 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 Lenovo...

Page 120: ...d 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 Windows and Windows Media are trademarks of the Microsoft group of c...

Page 121: ...password 56 diagnostic program 53 diagnostics troubleshooting 35 E environment operating 29 exiting Setup Utility 58 F failure recovering from POST BIOS 113 feet stand reinstalling 75 removing 75 flashing the BIOS 112 foot stand reinstalling 75 removing 75 frame stand reinstalling 71 removing 71 front connectors controls indicators 65 FRU locations 66 FRU part numbers 1 65 69 FRUs replacing 71 H h...

Page 122: ...8 battery 95 card reader 94 converter board 96 heat sink assembly 90 integrated camera 100 internal speakers 99 LCD panel 103 microprocessor fan 88 power supply 87 rear I O assembly 84 system board 101 Wi Fi card 107 S security enabling or disabling 57 selecting startup device 57 temporary startup device 58 Self service CRUs 66 setting password 56 settings changing 55 viewing 55 Setup Utility 55 S...

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