IBM MT 2632 manual ThinkPad A21e

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Removing and replacing a FRU

Note: Only the front bezel for the 15.0-in. XGA TFT (LG) has a identifying mark (V), as in the following figure. For reference FRU list, see “15.0-in. XGA TFT (LG)” on page 94

80ThinkPad A21e

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Contents Page Copyright IBM Corp Contents LCD FRU Important service information Before replacing partsStrategy for replacing FRUs How to use error messages Diskette compatibility matrixStrategy for replacing a hard-disk drive Safety notices multilingual translations Safety noticeSafety notice Continuation of Safety notice Safety notice Safety notice Continuation of Safety notice Safety notice Safety notice Safety notice Safety information General safetyElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statementDo not open ThinkPad A21e Read this first What to do firstFollowing are not covered under warranty Related service information Service Web siteUsing Recovery CD To create Service Partition SPPasswords Power-on passwordHard-disk password Supervisor passwordHow to remove the power-on password How to remove the hard-disk passwordSelect Power-On Password Power management Screen blank modeStandby mode Select either User HDP or Master HDPHibernation mode Related service information Testing the computer Checkout guideDiagnostics Interactive Tests Power system checkout Detecting system information with PC-DoctorHardware Info UtilityChecking the ac adapter Checking operational chargingChecking the battery pack For Lithium ion batteryFor Nickel metal hydride battery Checking the backup battery ThinkPad A21e Trademarks Specifications Product overviewStatus indicators Blinking orangeIndicator Meaning FRU Tests Following table shows the test for each FRUFRU Fn key combinations Fn + F3Symptom-to-FRU index Numeric error codesDimm IBM Bios Setup Utility Error messages Beep symptoms LCD-related symptoms Intermittent problemsUndetermined problems FRU replacement noticesScrew notices Retaining serial numbers Plastic to plasticLogic card to plastic Torque driverRestoring the serial number of the system unit Retaining the UuidSelect 2. Read S/N data from Eeprom Removing and replacing a FRU Battery pack Dimm Mini PCI adapter Removing and replacing a FRU Backup battery DimmHard-disk drive Do not drop or apply any shock to the hard-diskRemoving and replacing a FRU Ultrabay 2000 device ThinkPad A21e Keyboard ThinkPad A21e Connector on the underside of the key then push Keyboard CRU insulator Hinge cover Keyboard bezel and speaker Step Screw quantity Torque Speaker cable Sub card M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm PC Card slot assembly Fan assembly Removing and replacing a FRU Diskette drive Upper shield System board M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm LCD assembly ThinkPad A21e Front bezel ThinkPad A21e Inverter card 12.1-in. panel14.1-in. and 15.0-in. panels LCD panel ThinkPad A21e 2628-Jxx M2.0 × 5.7 mm 24.5 Ncm Nylon-coated Kgfcm ThinkPad A21e Locations Front view Rear view Bottom view Parts list Parts marked with asterisk are CRU customer replacable unit MB Sdram SO Dimm LCD FRU 15.0-in. XGA TFT LG Keyboard Miscellaneous parts ThinkPad A21e Optional FRUs Common parts list Power cords systemTrademarks ThinkPad A21e Part Number 06P8883