Lenovo ThinkCentre M72e Hardware Maintenance Manual Download

Page: 98 / 140

2. Remove the power cord from the ac power adapter cable loop at the rear of the computer and then

disconnect the ac power adapter from the ac power adapter connector. See “Locating connectors on
the rear of your computer” on page 68.

Figure 34. Disconnecting the ac power adapter

ThinkCentre Hardware Maintenance Manual

Summary of Contents for ThinkCentre M72e

Page 1: ...ThinkCentre Hardware Maintenance Manual Machine Types 3261 3263 3264 3267 3273 3856 4004 and 4156 ...

Page 2: ...mation on page 3 and Appendix A Notices on page 131 First Edition May 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: ... program 55 Viewing and changing settings 55 Using passwords 55 Password considerations 56 Power On Password 56 Administrator Password 56 Hard Disk Password 56 Setting changing and deleting a password 56 Erasing lost or forgotten passwords clearing CMOS 57 Enabling or disabling a device 57 Selecting a startup device 58 Selecting a temporary startup device 58 Selecting or changing the startup devic...

Page 4: ...speaker 120 Replacing the keyboard or mouse 122 Completing the parts replacement 123 Chapter 10 Additional service information 127 Security features 127 Hardware controlled passwords 127 Operating system password 127 Vital Product Data 127 BIOS levels 127 Updating flashing the BIOS from a disc 127 Updating flashing the BIOS from your operating system 128 Recovering from a POST BIOS update failure ...

Page 5: ...ee Chapter 9 Replacing FRUs on page 73 For FRU part numbers go to http www lenovo com serviceparts lookup Important safety information Be sure to read all caution and danger statements in this manual before performing any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ...

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

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

Page 8: ...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 ...

Page 18: ...14 ThinkCentre Hardware Maintenance Manual ...

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...

Page 26: ...22 ThinkCentre Hardware Maintenance Manual ...

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 ...

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

Page 37: ...ngerprint Reader Lenovo ThinkVantage Toolbox Lenovo Solution Center System Health and Diagnostics SimpleTap SimpleTap ThinkVantage Password Manager Password Vault ThinkVantage Power Manager Power Controls ThinkVantage Rescue and Recovery Enhanced Backup and Restore ThinkVantage System Update Update and Drives Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and...

Page 38: ...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 physical specifications for your computer Dimensions Width 179 mm 7 05 inches Height 34 5 mm 1 36 inches Depth 182 mm 7 17 inches Weight Maximum configuration as shipped 4 86 kg 10 71 lb with...

Page 39: ... displayed error codes Listen for beep codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If you do receive the correct response proceed to step 7 6 Look at the following conditions and follow the instructions If you hear beep codes during POST go to Beep symptoms on page 61 If the computer displays a POST error go to PO...

Page 40: ...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 41: ... 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 42: ... 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 54 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 43: ...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 44: ...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 54 ...

Page 45: ...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 58 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 46: ...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 54 for instructions ...

Page 47: ...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 54 If you need technical assistance see Additional information resources...

Page 48: ... 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 49: ...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 45 The monitor works when you turn on the computer but goes blank after some period of computer inactivity on page 45 The monitor works when you turn on the computer but goes blank when you start some application programs on page 46 Th...

Page 50: ...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 51: ... 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 52: ...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 53: ...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 54: ...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 54 for i...

Page 55: ...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 56: ... 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 57: ...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 58: ...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 59: ...s 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 St...

Page 60: ...ation settings If you are 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 Ad...

Page 61: ...age 123 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 2 8 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 9 Reinstall the computer cover and connect the power cord See Completing the parts replacement on page 123 Enabling or disa...

Page 62: ... 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 on page 59 Enabling ErP compliance mode You can enable the energy related products directive ErP compliance mode through the Power menu in the Setup Utility program to reduce the consumption of electricity when your co...

Page 63: ...ress 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 have to press Esc several times Do one of the following If you want to save the new settings pres...

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

Page 65: ...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 66: ...ions Checks the memory operation Starts the video operation Verifies that the boot drive is working If the POST detects a problem an error message appears on the screen A single problem can cause several error messages to appear When you correct the cause of the first error message the other error messages probably will not appear on the screen the next time you turn on the system POST Error code ...

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

Page 68: ...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 61 1 Power Supply 2 System Board Diskette drive in use light remains on or does not light when drive is active 1 Diskette Drive 2 System Board 3 Diskette Drive Cable Flashing cursor wit...

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

Page 70: ... power and the computer 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 104 66 ThinkCentre Hardware Maintenance Manual ...

Page 71: ...page 67 shows the locations of the connectors controls and indicators on the front of your computer Figure 1 Front connector control and indicator locations 1 Bluetooth activity indicator 6 USB 2 0 connector USB port 1 2 Power indicator 7 Microphone connector 3 Power switch 8 Headphone connector 4 Wireless activity indicator 9 USB 2 0 connector USB port 2 5 Hard disk drive activity indicator Copyr...

Page 72: ...connector 9 Optional port 4 USB 2 0 connector USB port 3 10 ac power adapter cable loop 5 USB 2 0 connector USB port 4 11 WiFi card module antenna slot 6 DisplayPort connector Connector Description DisplayPort connector Used to attach a high performance monitor a direct drive monitor or other devices that use a DisplayPort connector Ethernet connector Used to attach an Ethernet cable for a local a...

Page 73: ... or a personal digital assistant PDA VGA monitor connector Used to attach a VGA monitor or other devices that use a VGA monitor connector Locating FRUs and CRUs Figure 3 Locating FRUs and CRUs on page 70 shows the locations of the various components in your computer To remove the computer cover see Removing the computer cover on page 77 Chapter 8 Locations 69 ...

Page 74: ...70 ThinkCentre Hardware Maintenance Manual ...

Page 75: ...Once the access panel is removed the specific CRU is visible The list of FRUs below is a partial list For a complete listing of FRU information such as FRU part numbers and supported computer models go to http www lenovo com serviceparts lookup Number FRU description Self service CRU Optional service CRU 1 Computer cover Yes No 2 System fan No Yes 3 Microprocessor No Yes 4 System board No No 5 Hea...

Page 76: ...ystem fan connector 2 Power switch board cable connector 9 Battery 3 Mini PCI Express card slot 10 Clear CMOS Complementary Metal Oxide Semiconductor Recovery jumper 4 Hard disk drive power connector 11 Microprocessor 5 SATA connector 12 Cover presence switch connector Intrusion switch connector 6 Optional USB connector 13 Memory slots 2 7 Serial COM1 connector 72 ThinkCentre Hardware Maintenance ...

Page 77: ...ce 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 static protective package of the new part on a smooth level surface and then place the n...

Page 78: ...the following 1 Turn off the computer 2 Align the rear of the computer with the rear of the vertical stand and position the computer on the vertical stand as shown Figure 5 Installing the vertical stand 74 ThinkCentre Hardware Maintenance Manual ...

Page 79: ... repair before reading and understanding the Important safety information on page 1 This section provides instructions on how to install or remove the VESA Video Electronics Standards Association mount bracket Note The VESA mount bracket is only available on some models To install or remove the VESA mount bracket do the following 1 Turn off the computer and disconnect all power cords from electric...

Page 80: ...r into the VESA mount bracket Figure 7 Installing the VESA mount bracket 3 Install the two screws to secure the VESA mount bracket to the computer Figure 8 Installing the screws that secure the VESA mount bracket 76 ThinkCentre Hardware Maintenance Manual ...

Page 81: ...emove the VESA mount bracket from the computer Figure 10 Removing the VESA mount bracket What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 123 Removing the computer cover Attention Do not open your computer or attempt any repair before reading and understanding the Importan...

Page 82: ...nect 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 67 and Locating connectors on the rear of your computer on page 68 4 Remove any locking device that secures the computer cover such as an integrated cable lock 5 Re...

Page 83: ...ter Figure 12 Removing the computer cover Installing or replacing a memory module 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 memory module Chapter 9 Replacing FRUs 79 ...

Page 84: ...racket to get your access to the memory slots See Replacing the hard disk drive bracket on page 107 5 If you are replacing an old memory module open the retaining clips and gently pull the memory module out of the memory slot Figure 13 Removing the memory module 6 Insert the notched end 2 of the new memory module into the slot 1 Press the memory module firmly and pivot the memory module until it s...

Page 85: ...place the optical drive Note The optical drive is only available on some models To replace the optical drive do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Disconnect the optical drive cable from the USB connector on the computer 3 Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box to...

Page 86: ... then remove the optical drive from the optical drive box Figure 16 Removing the optical drive from the optical drive box 5 Remove the two screws that secure the optical drive metal plate and then remove the metal plate from the optical drive Figure 17 Removing the optical drive metal plate 82 ThinkCentre Hardware Maintenance Manual ...

Page 87: ...e and then install the two screws to secure the metal plate on the new optical drive Figure 18 Installing the optical drive metal plate 7 Slide the new optical drive into the optical drive box until it snaps into position Figure 19 Installing the optical drive into the optical drive box Chapter 9 Replacing FRUs 83 ...

Page 88: ...8 Install the screw that secures the optical drive in the optical drive box Figure 20 Installing the screw that secures the optical drive 84 ThinkCentre Hardware Maintenance Manual ...

Page 89: ...les in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket Figure 21 Installing the optical drive box Chapter 9 Replacing FRUs 85 ...

Page 90: ...g the parts replacement on page 123 Replacing the secondary 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 secondary hard disk drive Note The secondary hard disk drive is only available on some models To replace the secondary hard disk driv...

Page 91: ...emove it from the VESA mount bracket Figure 23 Removing the optical drive box 4 Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter from the optical drive box Figure 24 Removing the secondary hard disk drive adapter from the optical drive box Chapter 9 Replacing FRUs 87 ...

Page 92: ...emoving the hard disk drive adapter from the adapter bracket 6 To remove the hard disk drive from the adapter lift the adapter retaining latch Slide the hard disk drive towards the retaining latch and then lift the hard disk drive out of the adapter Figure 26 Removing the secondary hard disk drive from the adapter 88 ThinkCentre Hardware Maintenance Manual ...

Page 93: ...snaps into position Figure 27 Installing a new hard disk drive into the adapter 8 Position the adapter into the adapter bracket and then pivot the adapter downward until it snaps into position Figure 28 Installing the hard disk drive adapter into the adapter bracket Chapter 9 Replacing FRUs 89 ...

Page 94: ...9 Slide the adapter bracket into the optical drive box until it snaps into position Figure 29 Installing the adapter bracket into the optical drive box 90 ThinkCentre Hardware Maintenance Manual ...

Page 95: ...les in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket Figure 30 Installing the optical drive box Chapter 9 Replacing FRUs 91 ...

Page 96: ...t maintains the date time and settings for built in features such as parallel port assignments configuration A battery keeps this information active when you turn off the computer The battery normally requires no charging or maintenance throughout its life however no battery lasts forever If the battery fails the date time and configuration information including passwords are lost An error message...

Page 97: ... set the date time and any passwords See Chapter 6 Using the Setup Utility program on page 55 What to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 123 Replacing the ac power adapter Attention Do not open your computer or attempt any repair before reading and understanding the ...

Page 98: ...op at the rear of the computer and then disconnect the ac power adapter from the ac power adapter connector See Locating connectors on the rear of your computer on page 68 Figure 34 Disconnecting the ac power adapter 94 ThinkCentre Hardware Maintenance Manual ...

Page 99: ... the installation or replacement go to Completing the parts replacement on page 123 Replacing the ac power adapter bracket 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 ac power adapter bracket Note The ac power adapter bracket is only available on some m...

Page 100: ...er bracket 3 To install the ac power adapter bracket to the VESA mount bracket align the two tabs on the ac power adapter bracket with the slots in the VESA mount bracket and then slide the ac power adapter bracket to install it on the VESA mount bracket Figure 37 Installing the ac power adapter bracket 96 ThinkCentre Hardware Maintenance Manual ...

Page 101: ...e computer and disconnect all power cords from electrical outlets 2 Remove the computer cover See Removing the computer cover on page 77 3 Locate the power switch board See Locating FRUs and CRUs on page 69 4 Remove the hard disk drive from the computer See Replacing the hard disk drive bracket on page 107 5 Disconnect the power switch board cable from the corresponding connector on the system boa...

Page 102: ...oving the power switch board 9 Align the hole 1 in the new power switch board with the corresponding tab 2 on the computer and position the new power switch board in the computer Figure 40 Installing the power switch board 98 ThinkCentre Hardware Maintenance Manual ...

Page 103: ... installation or replacement go to Completing the parts replacement on page 123 Replacing the heat sink 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 heat sink CAUTION The heat sink and fan assembly might be very hot Turn off the computer and wait three t...

Page 104: ...hen fully remove screw 2 and then fully remove screw 1 b Partially remove screw 3 then fully remove screw 4 and then fully remove screw 3 Note Carefully remove the four screws from the system board to avoid any possible damage to the system board The four screws cannot be removed from the heat sink and fan assembly Figure 43 Removing the heat sink 6 Lift the failing heat sink off the system board ...

Page 105: ...the holes in the system board Figure 44 Installing the heat sink 8 Follow this sequence to install the four screws to secure the new heat sink and fan assembly Do not over tighten the screws a Partially tighten screw 1 then fully tighten screw 2 and then fully tighten screw 1 b Partially tighten screw 3 then fully tighten screw 4 and then fully tighten screw 3 9 Attach the intrusion switch to the ...

Page 106: ...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 microprocessor 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 77 3 Remove the heat sink See Replacing the heat sink on page 99 Note Place the heat...

Page 107: ...ssor on the system board c Touch only the edges 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 6 Make sure that the small handle is in the raised position and the microprocessor retainer is fully open 7 Remove the protective cover that protects the gold co...

Page 108: ...r attempt any repair before reading and understanding the Important safety information on page 1 This section provides 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 removing the computer cover To replace the system board do the following 1 Remove all med...

Page 109: ...y installed See Installing or replacing a memory module on page 79 8 Carefully take note of the locations of all cable connections on the system board and disconnect all the cables See Locating parts on the system board on page 72 9 Remove the five screws that secure the system board to the chassis by following the sequence shown in the following illustration Figure 49 Removing the five screws tha...

Page 110: ... from the failing system board on the new system board See Installing or replacing a memory module on page 79 18 Reconnect all remaining cables to the system board See Locating parts on the system board on page 72 19 To complete the replacement go to Completing the parts replacement on page 123 The failing system board must be returned with a microprocessor socket cover to protect the pins during ...

Page 111: ...et 7 Follow any additional instructions included with the replacement part you received Replacing the hard disk drive bracket 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 drive bracket To replace the hard disk drive bracket do the following 1 T...

Page 112: ...5 Remove the two screws 1 that secure the hard disk drive bracket on the system board Figure 52 Removing the screws that secure the hard disk drive bracket 108 ThinkCentre Hardware Maintenance Manual ...

Page 113: ...Slide the hard disk drive bracket toward the heat sink and then lift the hard disk drive bracket to remove it from the computer Figure 53 Removing the hard disk drive bracket Chapter 9 Replacing FRUs 109 ...

Page 114: ... two screw holes are aligned with the corresponding screw posts on the system board Figure 54 Installing the hard disk drive bracket 8 Install the two screws 1 that secure the hard disk drive bracket Figure 55 Installing the two screws that secure the hard disk drive bracket 9 Connect the signal cable and the power cable to the hard disk drive What to do next To work with another piece of hardware...

Page 115: ...ve the hard disk drive bracket from the computer See Replacing the hard disk drive bracket on page 107 5 Remove the four screws 1 that secure the hard disk drive on the hard disk drive bracket and then completely remove the hard disk drive Figure 56 Removing the four screws that secure the hard disk drive 6 Align the screw holes in the new hard disk drive with the corresponding holes in the hard d...

Page 116: ...puter cover See Removing the computer cover on page 77 3 Remove the hard disk drive bracket See Replacing the hard disk drive bracket on page 107 4 Locate the WiFi card module on the system board See Locating FRUs and CRUs on page 69 5 Disconnect the WiFi antenna cable from the WiFi card module and remove the two screws that secure the WiFi card module to the system board Figure 57 Removing the Wi...

Page 117: ... install the two screws to secure the WiFi card module Connect the WiFi antenna cable to the WiFi card module Figure 60 Installing the WiFi card module Note Depending on your computer model the WiFi card module that comes with your computer might have two cables Figure 61 Installing the WiFi card module 8 Install the hard disk drive bracket See Replacing the hard disk drive bracket on page 107 Cha...

Page 118: ...er might work with one or two rear antennas For more information about two rear antennas see Installing or removing two rear WiFi antennas on page 115 Installing the rear WiFi antenna To install the rear WiFi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Install the rear WiFi antenna to the rear WiFi antenna cable connector attached on th...

Page 119: ...pair before reading and understanding the Important safety information on page 1 This section provides instructions on how to install or remove two rear WiFi antennas Notes The rear antennas are only available on some models Depending on your computer model the WiFi card module that comes with your computer might work with one or two rear antennas For more information about one rear antenna see In...

Page 120: ...hat to do next To work with another piece of hardware go to the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 123 Removing the rear WiFi antennas To remove the rear WiFi antennas do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Straighten the rear WiFi antennas so that it can be more e...

Page 121: ...nd understanding the Important safety information on page 1 This section provides instructions on how to replace the system fan To replace the system fan 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 77 3 Locate the system fan in the computer See Locating FRUs and CRUs on page 69 4...

Page 122: ...t secure the system fan to the system board Figure 66 Removing the screws that secure the system fan 7 Lift the failing system fan off the system board Figure 67 Removing the system fan 118 ThinkCentre Hardware Maintenance Manual ...

Page 123: ...o that the four screws are aligned with the screw posts on the system board Figure 68 Installing the system fan 9 Install the four screws that secure the system fan Figure 69 Installing the screws that secure the system fan Chapter 9 Replacing FRUs 119 ...

Page 124: ...tant safety information on page 1 This section provides instructions on how to replace the internal speaker Note The internal speaker is only available in some models To replace the internal speaker 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 77 3 Locate the internal speaker in t...

Page 125: ...secures the internal speaker and then pivot the internal speaker outward as shown to completely remove the internal speaker from the internal speaker holder Figure 70 Removing the internal speaker Chapter 9 Replacing FRUs 121 ...

Page 126: ...o the appropriate section To complete the installation or replacement go to Completing the parts replacement on page 123 Replacing the keyboard or mouse 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 keyboard or mouse To replace the keyboard or mouse do th...

Page 127: ...r all parts you need to reinstall the computer cover and reconnect cables 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 To reinstall the computer cover and reconnect cables to your computer do the following 1 Ensure that all components have been reassemble...

Page 128: ...sition the computer cover on the chassis and then push the cover to the rear of the computer until it snaps into position Figure 73 Installing the computer cover 124 ThinkCentre Hardware Maintenance Manual ...

Page 129: ...cords to the computer See Locating connectors on the rear of your computer on page 68 7 To update your configuration refer to Chapter 6 Using the Setup Utility program on page 55 Note In most areas of the world Lenovo requires the return of the defective Customer Replaceable Unit CRU Information about this will come with the CRU or will come a few days after the CRU arrives Chapter 9 Replacing FRU...

Page 130: ...126 ThinkCentre Hardware Maintenance Manual ...

Page 131: ...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 127 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 132: ...ing the contents referenced in the following procedure To update 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...

Page 133: ...e disconnected 14 Turn on the computer to restart the operating system Power management Power management reduces the power consumption of certain components of the computer such as the system power supply processor hard disk drives and some monitors Advanced Configuration and Power Interface ACPI BIOS Being an ACPI BIOS system the operating system is allowed to control the power management feature...

Page 134: ...130 ThinkCentre Hardware Maintenance Manual ...

Page 135: ...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 136: ...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 Windows and Windows Vista are trademarks of the...

Page 137: ...tility 59 F failure recovering from POST BIOS 128 flashing the BIOS 127 front connectors controls indicators 67 FRU locations 69 FRU part numbers 1 67 71 73 H hard disk drive bracket replacing 107 hard disk drive replacing 111 heat sink replacing 99 I Identifying FRUs 69 installing options memory module 79 installing or removing vertical stand 73 VESA mount bracket 75 internal speaker replacing 12...

Page 138: ...g 55 viewing 55 Setup Utility 55 Setup Utility program starting 55 Setup Utility exiting 59 starting the Setup Utility program 55 startup device 58 sequence changing 58 temporary selecting 58 static sensitive devices handling 73 system board connectors 72 locating parts 72 locations 72 memory module 79 replacing 104 system fan replacing 117 T temporary startup device 58 the BIOS updating flashing ...

Page 139: ......

Page 140: ......

Search results

Summary of Contents for ThinkCentre M72e

Reviews:

Related manuals for ThinkCentre M72e

Brands by name

Popular brands

Lenovo ThinkCentre M72e, Hardware Maintenance Manual

Search results

Summary of Contents for ThinkCentre M72e

Reviews:

Related manuals for ThinkCentre M72e

Brands by name

Popular brands