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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 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 120.

3. 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.

Figure 75. Removing the heat sink fan duct

4. 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 73.

Chapter 10

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Replacing FRUs (machine types: 0900, 0967, 1271, 3578, 3594, 3596, 3598, 3629,

3654, 3660, 3664, 3668, and 3676)

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Summary of Contents for 1271

Page 1: ...ThinkCentre Hardware Maintenance Manual Machine Types 0896 0900 0958 0967 1112 1271 2116 3498 3578 3593 3594 3595 3596 3597 3598 3617 3629 3634 3654 3655 3660 3662 3664 3665 3668 3675 and 3676 ...

Page 2: ...tion on page 3 and Appendix A Notices on page 161 Second Edition August 2012 Copyright Lenovo 2012 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: ... port problems 54 Software problems 54 USB problems 55 Diagnostics 56 Lenovo Solution Center 56 Chapter 6 Using the Setup Utility program 57 Starting the Setup Utility program 57 Viewing and changing settings 57 Using passwords 57 Password considerations 58 Power On Password 58 Administrator Password 58 Hard Disk Password 58 Setting changing and deleting a password 58 Erasing lost or forgotten pas...

Page 4: ...664 3668 and 3676 119 Handling static sensitive devices 119 Installing or replacing hardware 119 Installing external options 119 Removing the computer cover 120 Removing and reinstalling the front bezel 120 Accessing the system board components and drives 121 Installing or replacing a memory module 123 Installing or replacing a PCI card 124 Replacing the battery 126 Replacing the hard disk drive 1...

Page 5: ...d 3675 on page 83 and Chapter 10 Replacing FRUs machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 on page 119 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 A...

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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: ...re 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...

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: ...art 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 thos...

Page 11: ...rocedures 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 cords from outlet 3 Remove signal ...

Page 12: ...ducts 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 lb 32 kg 70 5 lb 55 kg 121 2 lb CAUTION Use safe practices when lifting CAUTION The power control button on the device and the power switch on the power supply do not turn off ...

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

Page 14: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 10 ThinkCentre Hardware Maintenance Manual ...

Page 15: ...ência de fogo água ou danos estruturais Antes de abrir tampas de dispositivos desconecte cabos de alimentação sistemas de telecomunicação redes e modems conectados a menos que especificado de maneira diferente nos procedimentos de instalação e configuração Conecte e desconecte os cabos conforme descrito na tabela apresentada a seguir ao instalar mover ou abrir tampas deste produto ou de dispositiv...

Page 16: ...s de fibra ótica ou transmissores estiverem instalados observe o seguinte Não remova as tampas A remoção das tampas de um produto a laser pode resultar em exposição prejudicial à radiação de laser Não existem peças que podem ser consertadas no interior do dispositivo A utilização de controles ou ajustes ou a execução de procedimentos diferentes dos especificados aqui pode resultar em exposição pre...

Page 17: ...mentação não desligam a corrente elétrica fornecida ao dispositivo O dispositivo também pode ter mais de um cabo de alimentação Para remover toda a corrente elétrica do dispositivo assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação 1 2 Chapter 2 Safety information 13 ...

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

Page 20: ...1 2 16 ThinkCentre Hardware Maintenance Manual ...

Page 21: ...les carters de l unité mettez celle ci hors tension et déconnectez ses cordons d alimentation ainsi que les câbles qui la relient aux réseaux aux systèmes de télécommunication et aux modems sauf instruction contraire mentionnée dans les procédures d installation et de configuration Lorsque vous installez que vous déplacez ou que vous manipulez le présent produit ou des périphériques qui lui sont r...

Page 22: ...gueur ATTENTION Si des produits à laser tels que des unités de CD ROM de DVD ROM des unités à fibres optiques ou des émetteurs sont installés prenez connaissance des informations suivantes Ne retirez pas le carter En ouvrant l unité de CD ROM ou de DVD ROM vous vous exposez au rayonnement dangereux du laser Aucune pièce de l unité n est réparable Pour éviter tout risque d exposition au rayon laser...

Page 23: ... alimentation de l unité et l interrupteur dubloc d alimentation ne coupent pas le courant électrique alimentantl unité En outre le système peut être équipé de plusieurs cordonsd alimentation Pour mettre l unité hors tension vous devez déconnectertous les cordons de la source d alimentation 1 2 Chapter 2 Safety information 19 ...

Page 24: ...bdeckungen 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 die Buchsen an 4 Schließen Sie die Netzkabel an die Steckdo...

Page 25: ...CHT 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 37 lb 32 kg 70 5 lb 55 kg 121 2 lb ACHTUNG Arbeitsschutzrichtlinien beim Anheben der Maschine beachten ACHTUNG Mit dem Netzschalter an der Einheit und am Netzteil wird di...

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Page 27: ...1 2 Chapter 2 Safety information 23 ...

Page 28: ...i perdite d acqua o danno strutturale Scollegare i cavi di alimentazione i sistemi di telecomunicazione le reti e il modem prima di aprire i coperchi del dispositivo salvo istruzioni contrarie relative alle procedure di installazione e configurazione Collegare e scollegare i cavi come descritto nella seguente tabella quando vengono effettuate operazioni di installazione spostamento o apertura dei ...

Page 29: ... 915 82 e successive disposizioni e disposizioni locali ATTENZIONE Quando vengono installati prodotti laser quali CD ROM unità DVD ROM unità a fibre ottiche o trasmittenti tener presente quanto segue Non rimuovere gli sportelli L apertura di un unità laser può determinare l esposizione a radiazioni laser pericolose All interno dell unità non vi sono parti su cui effettuare l assistenza tecnica L u...

Page 30: ...ne presente sull unità e l interruttore dell alimentatore non disattivano l alimentazione corrente fornita all unità E possibile che l unità disponga di più cavi di alimentazione Per disattivare l alimentazione dall unità accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione 1 2 26 ThinkCentre Hardware Maintenance Manual ...

Page 31: ...Chapter 2 Safety information 27 ...

Page 32: ...1 2 28 ThinkCentre Hardware Maintenance Manual ...

Page 33: ... cables como se describe en la tabla siguiente cuando instale mueva o abra las cubiertas de este producto o de los dispositivos conectados Para conectar Para desconectar 1 APÁGUELO todo 2 En primer lugar conecte todos los cables a los dispositivos 3 Conecte los cables de señal a los conectores 4 Enchufe los cables de alimentación a las tomas de corriente 5 Encienda el dispositivo 1 APÁGUELO todo 2...

Page 34: ...Si usa controles o ajustes o realiza procedimientos que no sean los especificados aquí podría exponerse a radiaciones peligrosas PELIGRO Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B Tenga en cuenta lo siguiente Cuando se abre queda expuesto a radiación láser No mire directamente al rayo láser ni siquiera con instrumentos ópticos y evite exponerse directamente al...

Page 35: ...ón 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 cables de alimentación estén desconectados de la toma de corriente 1 2 Chapter 2 Safety information 31 ...

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Page 37: ... corresponding icon Table 1 Program icon names in Lenovo ThinkVantage Tools Program name Icon name in Lenovo ThinkVantage Tools Create Recovery Media Factory Recovery Disks Fingerprint Software Fingerprint Reader Lenovo ThinkVantage Toolbox Lenovo Solution Center System Health and Diagnostics SimpleTap SimpleTap ThinkVantage Password Manager Password Vault ThinkVantage Power Manager Power Controls...

Page 38: ...rces If you have Internet access the most up to date information for your computer is available at http www lenovo com support You can find the following information Customer Replaceable Unit CRU installation or replacement instructions Downloads and drivers Parts information Publications Troubleshooting information Links to other useful sources of information Specifications This section lists the...

Page 39: ...ions Width 99 mm 3 9 inches Height 335 mm 13 19 inches Depth 382 mm 15 04 inches Weight Maximum configuration as shipped 6 86 kg 15 12 lb without package Maximum configuration as shipped 9 56 kg 21 08 lb with package Environment Air temperature Operating 10 C to 35 C 50 F to 95 F Non operating 40 C to 60 C 40 F to 140 F Non operating 10 C to 60 C 14 F to 140 F without package Humidity Operating 20...

Page 40: ...Input frequency range 50 to 60 Hz High range Minimum 200 V ac Maximum 240 V ac Input frequency range 50 to 60 Hz 36 ThinkCentre Hardware Maintenance Manual ...

Page 41: ... 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 63 If the computer displays a POST error go to PO...

Page 42: ...d 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 controll...

Page 43: ... 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 correc...

Page 44: ... Panel System and Security System System Protection System Restore If this does not correct the problem continue with the next step 6 Run the diagnostic programs See Lenovo Solution Center on page 56 for more information If the diagnostic programs detect a hardware failure contact the Lenovo Customer Support Center See Additional information resources on page 34 for more information If you are una...

Page 45: ...properly grounded functional ac electrical outlet If your external speakers have a volume control verify that the volume control is not set too low Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Mute settings are not checked and none of the volume settings is set too low Verify that your external speakers and headphones if used a...

Page 46: ...lications or games Symptom No audio in DOS applications or games Actions Make sure the DOS application or game is configured to use SoundBlaster Pro or SoundBlaster emulation Refer to the documentation that comes with the application or game for instructions on setting sound card settings If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 56 ...

Page 47: ...ke sure that the CD or DVD drive is in the startup sequence before the hard disk drive Refer to your Selecting or changing the startup device sequence on page 60 for information on viewing and changing the startup sequence Note that on some models the startup sequence is permanently set and cannot be changed If these actions do not correct the problem run the diagnostic programs see Lenovo Solutio...

Page 48: ...nical assistance see Additional information resources on page 34 Playback is very slow or choppy Symptom Playback is very slow or choppy Actions Disable any background programs such as AntiVirus or Desktop Themes Ensure that video resolution is set to less than 1152 x 864 If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 56 for instructions ...

Page 49: ...s is installed If your computer is installed with SAS hard disk drives ensure that the SAS hard disk drive enablement module one to five hard disk drives or the LSI MegaRAID SAS adapter is installed If these actions do not correct the problem run the diagnostic program Lenovo Solution Center See Lenovo Solution Center on page 56 If you need technical assistance see Additional information resources...

Page 50: ... Symptom The mouse or pointing device does not work Actions Verify that the mouse or pointing device cable is securely attached to the correct connector on the computer Depending on the type of mouse you have the mouse cable will connect to either the mouse serial or USB connector Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device Verify that the devi...

Page 51: ...using the controls refer to the documentation that comes with your monitor Select your symptom from the following list Wrong characters appear on the screen on page 47 The monitor works when you turn on the computer but goes blank after some period of computer inactivity on page 47 The monitor works when you turn on the computer but goes blank when you start some application programs on page 48 Th...

Page 52: ...r monitors might be causing the problem Move fluorescent desk lighting or any equipment that produces magnetic fields farther away from the monitor If this does not correct the problem do the following 1 Turn off the monitor Moving a color monitor while it is turned on might cause screen discoloration 2 Adjust the placement of the monitor and other devices so that they are at least 305 mm 12 inche...

Page 53: ... connector of the hub The maximum allowable distance from the computer to hub is 100 meters If the cable is connected and the distance is within acceptable limits but the problem persists try a different cable The cable is installed properly You are using the correct device driver On the Windows 7 operating system do the following 1 Click Start Control Panel 2 Click Hardware and Sound 3 Click Devi...

Page 54: ...rk at 1000 Mbps Instead it connects at 100 Mbps Symptom If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps Actions Try another cable Make sure that the link partner is set to auto negotiate Make sure that the switch is 802 3ab compliant gigabit over copper A wireless LAN problem Symptom You cannot connect using the built in wi...

Page 55: ...ton If you are using AV profile select Stereo Audio and click the Set Default button 6 Click OK to close the Sound window PIM items sent from the Windows 7 operating system cannot be received correctly Symptom Personal Information Manager PIM items sent from the Windows 7 operating system cannot be received correctly into the address book of any other Bluetooth enabled device Action The Windows 7 ...

Page 56: ...d 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 information see your SCSI documentation Verify that the option and any required device drivers are installed correctly If these actions do not correct the problem run the diagnostic programs see Lenovo Solution Center on page 56 for i...

Page 57: ...ication Excessive number of fragmented files Symptom Excessive number of fragmented files Action Run the Windows Disk Defragmenter program Note Depending on the size of the hard disk drive and amount of data currently stored on the hard disk drive the disk defragmentation process might take up to several hours to complete On the Windows 7 operating system do the following 1 Close any programs that...

Page 58: ... attached to the serial port Symptom Serial port cannot be accessed Actions Make sure the serial cable is securely connected to the serial port on the computer and to the serial device If the serial device has its own power cord make sure it is attached to a properly grounded electrical outlet If the serial device has its own On Off switch make sure it is in the On position If the serial device ha...

Page 59: ...her computer If you received any error messages while using the software program see the printed documentation supplied with the software or the help system for that software for a description of the messages and solutions to the problem Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web If the softwa...

Page 60: ...ram You will need the log files when you speak to a Lenovo 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 pro...

Page 61: ...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 62: ... 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 har...

Page 63: ...eplacement on page 156 6 Turn on the computer and leave it on for approximately 10 seconds Then turn off 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 reconnect the power cords for the computer and monitor For machine types ...

Page 64: ...ity program See Starting the Setup Utility program on page 57 2 From the Setup Utility program main menu select Startup 3 Select the devices for the Primary Startup Sequence the Automatic Startup Sequence and the Error Startup Sequence Read the information displayed on the right side of the screen 4 Press F10 to save changes and exit the Setup Utility program See Exiting the Setup Utility program ...

Page 65: ...tup Utility program 2 From the Setup Utility program main menu select Power After Power Loss and press Enter 3 Select Power On and press Enter 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Exiting the Setup Utility program After you finish viewing or changing settings press Esc to return to the Setup Utility program main menu You might...

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Page 67: ...lowing causes Error 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 start up drive is corrupted The drive must be formatted Do the following 1 Attempt to back up the data on the ...

Page 68: ...ations 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 cod...

Page 69: ...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 70: ...twork 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 63 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 wit...

Page 71: ...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 72: ...er 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 101 or Replacing the system board on page 142 68 ThinkCentre Hardware Maintenance Manual ...

Page 73: ...omputer Figure 1 Front connector control and indicator locations on page 69 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 Headphone connector 3 Power switch 7 Microphone connector 4 Optical drive eject close butto...

Page 74: ...ck loop 6 USB connectors USB ports 3 to 6 15 Optional serial port Serial port 2 7 Microphone connector 16 Ethernet connector 8 Audio line out connector 17 Serial port Serial port 1 9 Audio line in connector 18 PS 2 mouse 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 devic...

Page 75: ...mouse a trackball or other pointing devices that use a PS 2 mouse connector Serial port Used to attach an external modem a serial printer or other devices that use a 9 pin serial port USB connector Used to attach a device that requires a USB connector such as a USB keyboard a USB mouse a USB scanner or a USB printer If you have more than eight USB devices you can purchase a USB hub which you can u...

Page 76: ...d CRUs The following table lists the major FRUs shown in Figure 3 Locating major FRUs and CRUs on page 72 and identifies which FRUs also are self service CRUs or optional service CRUs Notes 72 ThinkCentre Hardware Maintenance Manual ...

Page 77: ...Power supply assembly No Yes 2 Heat sink and fan assembly No Yes 3 Microprocessor No Yes 4 Memory modules Yes No 5 Optical drive available in some models Yes No 6 Front WiFi antenna No Yes 7 Front audio and USB assembly No Yes 8 Front bezel Yes No 9 Hard disk drive No Yes 10 System board No No 11 Battery Yes No 12 WiFi card module No Yes 13 WiFi adapter card No Yes 14 Rear WiFi antenna Yes No 15 P...

Page 78: ...ory slot 1 DIMM1 15 Battery 5 Memory slot 2 DIMM2 16 Cover presence switch connector Intrusion switch connector 6 Thermal sensor connector 17 Serial COM2 connector 7 24 pin power connector 18 Front audio connector 8 Power fan connector 19 Internal speaker connector 9 Parallel connector 20 PCI Express x1 card slots 2 10 Front panel connector for connecting LED indicators and the power switch 21 PCI...

Page 79: ... USB device 4 Memory slot 1 DIMM1 16 Serial COM2 connector 5 Memory slot 2 DIMM2 17 Internal speaker connector 6 Thermal sensor connector 18 Front audio connector 7 24 pin power connector 19 PCI card slots 2 8 Battery 20 PCI Express x1 card slot 9 Parallel connector 21 PCI Express x16 graphics card slot 10 Power fan connector 22 Cover presence switch connector Intrusion switch connector 11 Clear C...

Page 80: ...n install or replace in each bay and correctly connect the cables to the drive installed Refer to the appropriate section in Installing or replacing hardware on page 83 for instructions on how to install or replace internal drives for your computer Figure 6 Drive bay locations on page 76 shows the locations of the drive bays Figure 6 Drive bay locations 1 Bay 1 Optical drive bay with an optical dr...

Page 81: ...icator locations on page 77 shows the locations of the connectors controls and indicators on the front of your computer Figure 7 Front connector control and indicator locations 1 Optical drive eject close button 5 USB connector USB port 2 2 Power switch 6 Microphone connector 3 Hard disk drive activity indicator 7 Headphone connector 4 Power indicator 8 USB connector USB port 1 Chapter 8 Locations...

Page 82: ...xpress x16 graphics card slot 3 PS 2 keyboard connector 11 PCI Express x1 card slots 2 4 DVI monitor connector 12 Ethernet connector 5 VGA monitor connector 13 Integrated cable lock Kingston lock slot 6 USB connectors USB ports 3 to 6 14 Serial port 7 Microphone connector 15 Padlock loop 8 Audio line out connector Locating major FRUs and CRUs Figure 9 Locating major FRUs and CRUs on page 79 shows ...

Page 83: ...major FRUs and CRUs The following table lists the major FRUs shown in Figure 9 Locating major FRUs and CRUs on page 79 and identifies which FRUs also are self service CRUs or optional service CRUs Chapter 8 Locations 79 ...

Page 84: ... Yes 2 Microprocessor No Yes 3 Memory modules Yes No 4 Optical drive available in some models Yes No 5 Front WiFi antenna No Yes 6 Front bezel Yes No 7 Front audio and USB assembly No Yes 8 Front fan No Yes 9 Hard disk drive No Yes 10 Battery Yes No 11 System board No No 12 WiFi card module No Yes 13 WiFi adapter card No Yes 14 Rear WiFi antenna Yes No 15 Peripheral Component Interconnect PCI card...

Page 85: ...t 2 DIMM2 16 Cover presence switch connector Intrusion switch connector 6 Thermal sensor connector 17 Serial COM2 connector 7 24 pin power connector 18 Front audio connector 8 Power fan connector 19 Internal speaker connector 9 Parallel connector 20 PCI Express x1 card slots 2 10 Front panel connector for connecting LED indicators and power switch 21 PCI Express x16 graphics card slot 11 Front USB...

Page 86: ...3 When installing or replacing an internal drive it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed Refer to the appropriate section in Installing or replacing hardware on page 119 for instructions on how to install or replace internal drives for your computer Figure 11 Drive bay locations on pa...

Page 87: ...containing the new part to a metal expansion slot cover or other unpainted metal surface on the computer for at 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 st...

Page 88: ...des instructions on how to remove the computer cover CAUTION Turn off the computer and wait three to five minutes 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...

Page 89: ...nd understanding the 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 84 Chapter 9 Replacing FRUs machine types 0896 0958 11...

Page 90: ...3 Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward Figure 13 Removing the front bezel 86 ThinkCentre Hardware Maintenance Manual ...

Page 91: ...Installing or replacing a PCI card 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 replace a PCI card To install or replace a PCI card do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover...

Page 92: ...rd latch 4 Depending on whether you are installing or replacing a PCI card do one of the following If you are installing a PCI card remove the appropriate metal slot cover If you are replacing an old PCI card grasp the old card that is currently installed and gently pull it out of the slot 88 ThinkCentre Hardware Maintenance Manual ...

Page 93: ...latch Grasp the card and gently pull it out of the slot 5 Remove the new PCI card from its static protective package 6 Install the new card into the appropriate slot on the system board See Locating parts on the system board on page 73 Note If you are installing a PCI Express x16 graphics card make sure the memory slot retaining clips are closed before you install the graphics card Chapter 9 Repla...

Page 94: ...ttery 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 coin cell battery notice in the Safety and Warra...

Page 95: ...o 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 replace a memory module Your computer has two slots for installing or replacing DDR3 DIMMs that provide up to a maximum of 16 GB system memory When installing or replacing a memory module use 2 GB 4 GB or 8 GB DDR3 DIMMs ...

Page 96: ...ding 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 20 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 21 Opening the ...

Page 97: ... drive 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 replace the optical drive Note The optical drive is only available in some models To install or replace an optical drive do the following 1 Turn off the computer and disconnect all power cords from elect...

Page 98: ...ing the 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 24 Installing the optical drive 94 ThinkCentre Hardware Maintenance Manual ...

Page 99: ... 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 the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the comp...

Page 100: ...g the heat sink and fan assembly 8 Position the new heat sink and fan assembly on the system board so that the four screws are aligned with the holes on 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 the following sequence to install the four screws to secure the ...

Page 101: ...gy 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 power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on...

Page 102: ...range in 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 sec...

Page 103: ...side for easier access to the system board 4 Locate the system board and disconnect all cables connected to the system board See Locating parts on the system board on page 73 5 Remove the heat sink and fan assembly See Replacing the heat sink and fan assembly on page 95 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...

Page 104: ...es 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 8 Make sure that the small handle is in the raised position and the microprocessor retainer is fully open 9 Remove the protective cover that protects the gold contacts of the new microprocessor 10 Hold the ...

Page 105: ...es instructions on how to replace the system board CAUTION The heat sink and microprocessor might be very hot Turn off the computer and wait three to five minutes to let the computer cool before opening the computer cover 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...

Page 106: ...ix mounting studs in the chassis with the corresponding holes in the new system board Carefully slide the new system board into the chassis until it is secured in place by the mounting studs Then install the six screws to secure the system board 12 Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new system board See Replacing the heat sink and fan ass...

Page 107: ...llow 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 primary hard disk drive Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This section provides ins...

Page 108: ...5 Remove the four screws that secure the hard disk drive Then slide the hard disk drive out of the chassis Figure 33 Removing the hard disk drive 104 ThinkCentre Hardware Maintenance Manual ...

Page 109: ...ts on the system board on page 73 Then locate an available five wire power connector and connect it to the rear of the new hard disk drive Figure 35 Connecting a SATA hard disk drive 8 To complete the installation or replacement go to Completing the parts replacement on page 117 Replacing the rear fan assembly Attention Do not open your computer or attempt any repair before reading and understandi...

Page 110: ...ee Locating parts on the system board on page 73 5 The rear fan assembly is attached to the chassis by four rubber mounts Remove the rear fan assembly by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis Note The new rear fan assembly will have four new rubber mounts attached Figure 36 Removing the rear fan assembly 6 Install the new rear fan assembl...

Page 111: ...ont audio and USB assembly To replace the front audio and USB 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 84 3 Remove the front bezel See Removing and reinstalling the front bezel on page 85 4 Locate the front audio and USB assembly See Locating major FRUs and CRUs on pa...

Page 112: ...stall the screw to secure the bracket to the chassis 11 Reconnect the front audio and USB assembly cables to the front audio connector and the front USB connector on the system board See Locating parts on the system board on page 73 12 To complete the installation or replacement go to Completing the parts replacement on page 117 Replacing the WiFi units Attention Do not open your computer or attem...

Page 113: ...rts the Bluetooth function disconnect the Bluetooth cable from the WiFi adapter card Figure 39 Disconnecting the Bluetooth cable Note The Bluetooth cable connects the Bluetooth connector on the WiFi 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 latch Chapter 9 Replacing FRUs mac...

Page 114: ...y alternate moving each side of the card a small amount until it is removed from the card slot Removing the WiFi card module To remove the WiFi card module do the following 1 Remove the WiFi adapter card from the computer and then disconnect the front and rear WiFi antenna cables from the WiFi card module Figure 41 Removing the WiFi antenna cables 110 ThinkCentre Hardware Maintenance Manual ...

Page 115: ...rd module 3 Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card Figure 43 Removing the WiFi card module Installing the WiFi units To install the WiFi units do the following Chapter 9 Replacing FRUs machine types 0896 0958 1112 2116 3498 3593 3595 3597 3617 3634 3655 3662 3665 and 3675 111 ...

Page 116: ...i card module into the mini PCI Express slot and then install the two screws to secure the WiFi card module to the WiFi adapter card Figure 44 Installing the WiFi card module 112 ThinkCentre Hardware Maintenance Manual ...

Page 117: ...supports the Bluetooth function use a Bluetooth cable to connect the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board 5 Pivot the card latch to the closed position to secure the WiFi adapter card Figure 46 Installing the WiFi adapter card 6 To complete the installation or replacement go to Completing the parts replacement on page 117 Chapter 9 Replacing F...

Page 118: ...lets 2 Install the rear WiFi antenna to the rear WiFi 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 Figure 47 Installing the rear WiFi antenna 4 To complete the installation or replacement go to Completing the parts replacement on page 117 Removing the rear WiFi antenna To remove the rear Wi...

Page 119: ...ormation on page 1 This section provides instructions on how to install or remove the front WiFi 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 84 3 Remove the front bezel See Removing and reinstalling the f...

Page 120: ...Then insert the front antenna cable through the hole in the front panel Figure 50 Installing the front WiFi antenna 6 Connect the front antenna cable to the WiFi card module 7 To complete the installation or replacement go to Completing the parts replacement on page 117 116 ThinkCentre Hardware Maintenance Manual ...

Page 121: ...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 57 To reinstall the computer cover and reconnect cables to your computer do the following 1 Make sure that all components have been reassembled correctly and that no tools or loose screws are left inside your comp...

Page 122: ...puter cover 7 If there is an integrated cable lock available lock the computer 8 Reconnect the external cables and power cords to the computer See Locating connectors on the rear of your computer on page 70 9 To update your configuration refer to Chapter 6 Using the Setup Utility program on page 57 Note In most areas of the world Lenovo requires the return of the defective Field Replaceable Units ...

Page 123: ...r at 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...

Page 124: ... 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 77 and Locating connectors on the rear of your computer on page 78 4 Remove any locking device that secures the computer cover such as an integrated cable lock 5 Remove the two s...

Page 125: ... aside without disconnecting the power switch and light emitting diode LED assembly cable Figure 54 Removing the front bezel 4 To reinstall the front bezel align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis then pivot the front bezel inward until it snaps into position Figure 55 Reinstalling the front bezel Accessing the system board com...

Page 126: ...ected to the computer 2 Remove the computer cover See Removing the computer cover on page 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 4 Pivot the drive bay assembly upward to access all the internal drives cables and other components Figure 56 Pivoting the drive bay assembly upward 5 To lower the drive bay assembly press the drive bay assembly clip 1 inwa...

Page 127: ...er See Removing the computer cover on page 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 4 Remove the heat sink fan duct See Replacing the heat sink and fan assembly on page 132 5 Pivot the optical drive bay upward to gain access to the memory slots See Installing or replacing the optical drive on page 129 6 Locate the memory slots See Locating parts on the...

Page 128: ...eting the parts replacement on page 156 Installing or replacing a PCI card 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 replace a PCI card Your computer has two PCI Express x1 card slot and one PCI Express x16 graphics card slot To install or replace a PC...

Page 129: ...removed from the card slot b If the card is held 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 If you are installing a PCI card remove the screw that secures the appropriate metal slot cover Then remove the metal slot cover 4 Remove the new PCI card from its static protective package Chapter 10 Repla...

Page 130: ...res 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 coin cell battery notice in the Safety and Warranty Guide for information about replacing and disposing of the battery To replace the battery...

Page 131: ...information See Chapter 6 Using the Setup Utility program on page 57 11 To complete the installation or replacement go to Completing the parts replacement on page 156 Replacing the hard disk drive 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 hard disk dr...

Page 132: ...Hold the hard disk drive and remove the four screws that secure the hard disk drive Then remove the hard disk drive from the drive bay assembly Figure 66 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 128 ThinkCentre Hardware Maintenance Manual ...

Page 133: ... with the corresponding holes in the drive bay Then install the four screws to secure the new hard disk drive in place Figure 68 Installing the hard disk drive 9 To complete the installation or replacement go to Completing the parts replacement on page 156 Installing or replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding the Import...

Page 134: ...ssembly upward See Accessing the system board components and drives on page 121 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 69 Removing the optical drive screws 7 Press the drive bay assembly clip 1 inward and pivot the drive bay assembly downward as shown Figure 70 Lowering the dri...

Page 135: ... Removing the optical drive 9 Slide the new optical drive into the optical drive bay from the front of the computer Figure 72 Installing a new optical drive Chapter 10 Replacing FRUs machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 131 ...

Page 136: ... board See Locating parts on the system board on page 73 Then locate an available five wire power connector and connect it to the rear of the new optical drive Figure 74 Connecting a SATA optical drive 12 To complete the installation or replacement go to Completing the parts replacement on page 156 Replacing the heat sink and fan assembly Attention Do not open your computer or attempt any repair b...

Page 137: ...es that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 120 3 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 Figure 75 Removing the heat sink fan duct 4 Disconnect the heat sink and fan assembly cable from the microprocessor fan conn...

Page 138: ...l grease on the bottom of the heat sink and fan assembly 7 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 Make sure that you properly place the new heat sink and fan assembly so that you can easily connect the new heat sink and fan assembly cable to the microprocessor fan connector on the system boar...

Page 139: ...ny repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to replace the power supply assembly Although there are no moving parts in your computer after the power cord has been disconnected the following warnings are required for your safety and proper Underwriters Laboratories UL certification DANGER Hazardous moving parts Keep...

Page 140: ...e the computer cover See Removing the computer cover on page 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 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 Figure 78 Removing the heat sink fan duct 5 Disconnect the power supply assembly cable...

Page 141: ...assembly and then slide the power supply assembly to the front of the computer Lift the power supply assembly out of the computer Figure 79 Removing the power supply assembly 7 Make sure that the new power supply assembly is the correct replacement Chapter 10 Replacing FRUs machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 137 ...

Page 142: ... rear of the chassis Then install the three screws to secure the new power supply assembly in place Note Use only screws provided by Lenovo Figure 80 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 73 138 ThinkCentre Hardware Maintenance Manual ...

Page 143: ...ol before removing the computer cover To replace the microprocessor 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 120 3 Locate the system board and disconnect...

Page 144: ... Figure 82 Accessing the microprocessor 6 Lift the microprocessor straight up and out of the microprocessor socket Figure 83 Removing the microprocessor Notes a Your microprocessor and socket might look different from the one illustrated 140 ThinkCentre Hardware Maintenance Manual ...

Page 145: ...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 84 Installing the microprocessor 11 Clo...

Page 146: ...outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 4 Pivot the optical drive bay assembly upward to gain access to the system board See Accessing the system board components and drives on page 121 5 Remove all memory modules an...

Page 147: ... memory modules and PCI cards removed from the failing system board on the new system board See Installing or replacing a memory module on page 123 and Installing or replacing a PCI card on page 124 14 Reconnect all remaining cables to the system board See Locating parts on the system board on page 80 15 Lower the optical drive bay assembly See Accessing the system board components and drives on p...

Page 148: ...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 front audio and USB assembly 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 front audio and USB assemb...

Page 149: ...ng parts on the system board on page 73 11 Reinstall the front bezel See Removing and reinstalling the front bezel on page 120 12 To complete the installation or replacement go to Completing the parts replacement on page 156 Replacing the system fan assembly Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page 1 This se...

Page 150: ... from the system fan connector on the system board See Locating parts on the system board on page 73 8 The system fan assembly is attached to the chassis by four rubber mounts Remove the system fan assembly by cutting the rubber mounts and lifting the system fan assembly out of the chassis Note The new system fan assembly will have four new rubber mounts attached Figure 88 Removing the system fan ...

Page 151: ...replacement go to Completing the parts replacement on page 156 Replacing the WiFi 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 on how to replace the WiFi units The WiFi units include a WiFi adapter card a WiFi card module and a rear WiFi antenna cable Replacing the WiFi...

Page 152: ... to the front USB connector on the system board to support the Bluetooth function 4 Remove the screw that secures the WiFi adapter card 5 Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot Figure 91 Removing the WiFi adapter card Note The card fits tightly into the card slot If necessary alternate moving each side of the card a small amount until it is remov...

Page 153: ... WiFi card module Figure 92 Removing the WiFi antenna cables 2 Remove the two screws that secure the WiFi card module to the WiFi adapter card Figure 93 Removing the screws that secure the WiFi card module Chapter 10 Replacing FRUs machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 149 ...

Page 154: ...e out of the mini PCI Express slot to remove it from the WiFi adapter card Figure 94 Removing the WiFi card module Installing the WiFi units To install the WiFi units do the following 150 ThinkCentre Hardware Maintenance Manual ...

Page 155: ...rd module to the WiFi adapter card Figure 95 Installing the WiFi card module 2 Connect the front antenna cable and rear antenna cable to the WiFi card module Figure 96 Connecting the WiFi antenna cables Chapter 10 Replacing FRUs machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 151 ...

Page 156: ...card 6 To complete the installation or replacement go to Completing the parts replacement on page 156 Installing or removing the rear WiFi 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 WiFi antenna Installing the rear WiFi antenna T...

Page 157: ...ng 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Straighten the rear WiFi 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 Figure 99 Removing the rear WiFi antenna 4 To complete the installation or replacement go to Completing the parts replacement on page 156 ...

Page 158: ...he 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 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 4 Peel off the paper that protects the stickers on the front antenna Figure 100 Peeling off t...

Page 159: ...ement on page 156 Removing the front WiFi antenna To remove 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 120 3 Remove the front bezel See Removing and reinstalling the front bezel on page 120 4 Disconnect the front antenna cable from the WiFi card module Cha...

Page 160: ...various components in your computer 2 If you have removed the front bezel reinstall it To reinstall the front bezel align the three tabs on the front bezel with the corresponding holes in the chassis and pivot the front bezel inwards until it snaps into position 3 Make sure that the cables are routed correctly Keep cables clear of the hinges and sides of the computer chassis to avoid interference ...

Page 161: ...mputer has a unique Vital Product Data VPD code 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 Updating flashing the BIOS from a disc on page 157 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 inst...

Page 162: ...pdate flash the BIOS from your operating system do the following 1 Go to http www lenovo com support 2 Click Download Drivers Software 3 Click Use Quick Path 4 Type the 4 digit machine type for your computer in the Quick Path field and then click Find My Product 5 Click BIOS 6 Locate the BIOS version that you want to download 7 Click Click for files All available files will be displayed 8 Click th...

Page 163: ...puter cover and reconnect power cords and all other external cables For machine types 0896 0958 1112 2116 3498 3593 3595 3597 3617 3634 3655 3662 3665 and 3675 see Completing the parts replacement on page 117 For machine types 0900 0967 1271 3578 3594 3596 3598 3629 3654 3660 3664 3668 and 3676 see Completing the parts replacement on page 156 14 Turn on the computer to restart the operating system...

Page 164: ...160 ThinkCentre Hardware Maintenance Manual ...

Page 165: ...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 166: ...Macrovision 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 Win...

Page 167: ...36 Ethernet connector 71 exiting Setup Utility 61 external options installing 83 119 F failure recovering from a POST and BIOS update 158 flashing the BIOS 157 front connectors controls indicators 69 77 front audio and USB assembly replacing 107 144 front bezel front bezel removing 85 removing reinstalling 120 front bezel reinstalling 85 front WiFi antenna installing removing 115 154 FRU locations...

Page 168: ...abling 59 selecting startup device 60 temporary startup device 60 Self service CRUs 71 78 serial port 71 setting password 58 settings changing 57 viewing 57 Setup Utility 57 Setup Utility program starting 57 Setup Utility exiting 61 starting the Setup Utility program 57 startup device 60 sequence changing 60 temporary selecting 60 static sensitive devices handling 83 119 system board connectors 74...

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