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IBM A21P, A21M, A22P, A22M, A20M, MT 2631 manual Removing and replacing a FRU

Models: MT 2631 A20M A21P A22M A22P A21M

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Specification Install Before replacing parts Parts list Error messages Password Status indicators Symptom-to-FRU index Diagnostics Interactive Tests Connectors

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Removing and replacing a FRU

vMake sure that the release button works correctly.

ThinkPad A20m/p, A21m/p and A22m/p 111

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IBM A21P, A21M, A22P, A22M, A20M, MT 2631 manual Removing and replacing a FRU

Page 116 Page 118

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Contents

October This manual supports ThinkPad A20m, A21m, A22m A20p, A21p, A22pThinkPad Dock Page About this manual Iv ThinkPad A20m/p, A21m/p, A22m/p Contents 3010 ThinkPad Dock PCI cover Important service information Before replacing partsStrategy for replacing FRUs How to use error messages Diskette compatibility matrixStrategy for replacing a hard-disk drive Safety notice Safety notices multilingual translations ThinkPad A20m/p, A21m/p, A22m/p Continuation of safety notice ThinkPad A20m/p, A21m/p, A22m/p Continuation of safety notice Safety notice Continuation of safety notice Safety notice Safety notice Safety notice Introduction General safety Safety information Electrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Laser compliance statement Grounding requirements Laser compliance statement Laser compliance statement Introduction ThinkPad A20m/p, A21m/p, A22m/p What to do first Read this first Following are not covered under warranty Service web site Related service informationProduct recovery program Restoring the pre-installed software To create a recovery repair diskette Creating the service partitionTo create the Service Partition SP Reinstall the Product Recovery Program? Y/N To use the recovery repair diskette Passwords Hard-disk password Power-on passwordSupervisor password How to remove the power-on password How to remove the hard-disk password Select Power-On PasswordSelect Master HDP Power management Screen blank modeStandby mode Hibernation mode Related service information Checkout guide Testing the computer Diagnostics Interactive Tests Detecting system information with PC-Doctor Power system checkoutHardware Info Utility Checking operational charging Checking the ac adapter Checking the backup battery Checking the battery pack Red + Black ThinkPad A20m/p, A21m/p and A22m/p 12.1-in. panel 14.1-in. and 15.0-in. panels Inverter card Product overview Specifications Feature Description A21m/p, A22m/p Blinking orange Status indicators Indicator Meaning Following table shows the test for each FRU FRU tests FRU Key Description Combination Fn key combinations Numeric error codes Symptom-to-FRU index Dimm 0271 Run IBM Bios Setup Utility to Error messages Beep symptoms Connectors LCD-related symptoms Undetermined problems Intermittent problems Screw notices FRU replacement noticesPlastic to plastic Logic card to plastic Restoring the serial number of the system unit Retaining serial numbersRetaining the Uuid Select 2. Read S/N data from Eeprom FRU replacement notices Removing and replacing a FRU Battery pack Dimm Removing and replacing a FRU Mini PCI adapter For A20m/p, A21m/p series For A22m/p series Backup battery Do not drop or apply any shock to the hard-disk Hard-disk drive or RF ID adapter Removing and replacing a FRU Ultrabay 2000 device ThinkPad A20m/p, A21m/p, A22m/p Keyboard ThinkPad A20m/p, A21m/p, A22m/p Connector on the underside of the key then push Keyboard CRU insulator Hinge cover and clear sheet icon Keyboard bezel and speaker Step Screw quantity Torque For A20m/p and A21m/p series microphone and speaker cable Microphone and speaker cable For A22m/p series speaker cable Sub card M2.5 × 4.8 mm, nylon-coated 392 Nm Kgfcm PC Card slot assembly Fan assembly Installation notice for A21m/p and A22m/p series Diskette drive When installing Do not press Upper shield TV card CPU socket and CPU Removing and replacing a FRU System board and RJ45/11 connector assembly For A20m/p and A21m/p series For A22m/p series Thermal rubbers location LCD assembly M2.6 × Mm, nylon-coated 392 Nm Kgfcm M2.5 × 12.1-in. panel Front bezel 14.1-in. and 15.0-in. panels ThinkPad A20m/p, A21m/p, A22m/p Inverter card 14.1-in. and 15.0-in. panels LCD panel ThinkPad A20m/p, A21m/p, A22m/p 14.1-in. and 15.0-in. panels For other cable, do as shown Before replacing the PCI cover ThinkPad Dock PCI cover Bottom view ThinkPad A20m/p, A21m/p, A22m/p Rear View ThinkPad Dock top cover Bottom View View, shown in the circle Removing and replacing a FRU Removing and replacing a FRU Locations Front view Rear view Bottom view LCD HDD Parts list Series model matrix Memory 128 MB ThinkPad A20m/p, A21m/p, A22m/p Memory 128 MB ThinkPad A20m/p, A21m/p and A22m/p DVD ROM Bay device Mini PCI LCD adapter PQH, PRA 1KG XGA CMxxx 28b 28a Overall FRUs marked with Are also available as Optional FRUs ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p ThinkPad A20m/p, A21m/p, A22m/p MB Sdram SO Dimm PC100 ThinkPad A20m/p, A21m/p, A22m/p ThinkPad A20m/p, A21m/p and A22m/p AC adapter LCD FRUs12.1-in. Svga TFT 14.1-in. XGA TFT 15.0-in. XGA TFT Samsung 15.0-in. XGA TFT LG 15.0-in. Uxga TFT 15.0-in. SXGA+ TFT Language A20m/p A21m/p A22m/p Recovery CDs For Windows 98 A22p For Windows 2000 A22m For Windows 2000 A22pFor Windows 2000/Windows NT A22m For Windows 2000/Windows NT A22p Miscellaneous parts ThinkPad A20m/p, A21m/p, A22m/p Optional FRUs Power cords system Common parts list Power cords docking station Trademarks ThinkPad A20m/p, A21m/p and A22m/p Part Number 23P0896

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