IBM MT 2632 manual M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm

Page 80

Removing and replacing a FRU

Step

Screw (quantity)

Torque

M2.5 × 4.8 mm, nylon-coated (2)

39.2 Ncm

(4 kgfcm)

76ThinkPad A21e

Image 80

Contents Page Copyright IBM Corp Contents LCD FRU Strategy for replacing FRUs Important service informationBefore replacing parts Strategy for replacing a hard-disk drive How to use error messagesDiskette compatibility matrix 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 passwordSelect Power-On Password How to remove the power-on passwordHow to remove the hard-disk 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 chargingFor Nickel metal hydride battery Checking the battery packFor Lithium ion 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 problemsScrew notices Undetermined problemsFRU replacement notices Retaining serial numbers Plastic to plasticLogic card to plastic Torque driverSelect 2. Read S/N data from Eeprom Restoring the serial number of the system unitRetaining the Uuid 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