IBM MT 2632 manual Contents

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Contents

Introduction	.	1
Important service information	.	1
Strategy for replacing FRUs	.	1
How to use error messages	.	2
Diskette compatibility matrix	.	2
Safety notices: multilingual translations	.	3
Safety information	.	12
General safety	.	12
Electrical safety	.	13
Safety inspection guide	.	14
Handling electrostatic discharge-sensitive devices		15
Grounding requirements	.	16
Laser compliance statement	.	16

General descriptions . . . .	. .	.	.	.	.	19
Read this first	. .	.	.	.	.	19
What to do first:	. .	.	.	.	.	19
Related service information . . .	. .	.	.	.	.	21
Service Web site	. .	.	.	.	.	21
Using Recovery CD . . . .	. .	.	.	.	.	21
Passwords . . . . . . . . . . . . . 22
Power management . . . .	. .	.	.	.	.	24
Checkout guide	. .	.	.	.	.	27
Testing the computer . . . .	. .	.	.	.	.	27
Detecting system information with PC-Doctor. . . 29
Power system checkout . . .	. .	.	.	.	.	29

ThinkPad A21e		.	33
Product overview		.	35
Specifications		.	35
Status indicators		.	36
FRU Tests		.	38
Fn key combinations		.	40
Symptom-to-FRU index		.	41
Numeric error codes		.	41
Error messages		.	44
Beep symptoms		.	45
No beep symptoms		.	45
LCD-related symptoms		.	46
Intermittent problems		.	46
Undetermined problems		.	47
FRU replacement notices		.	47
Screw notices		.	47
Retaining serial numbers		.	48
Removing and replacing a FRU		.	50
1010	Battery pack	.	51
1020	DIMM	.	52
1030	Mini PCI adapter	.	53
1040	Backup battery	.	55
1050	Hard-disk drive	.	56

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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 notice Safety notices multilingual translationsSafety notice Continuation of Safety notice Safety notice Safety notice Continuation of Safety notice Safety notice Safety notice Safety notice General safety Safety informationElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Laser compliance statement Grounding requirementsDo not open ThinkPad A21e What to do first Read this firstFollowing are not covered under warranty To create Service Partition SP Related service informationService Web site Using Recovery CDSupervisor password PasswordsPower-on password Hard-disk passwordHow to remove the power-on password How to remove the hard-disk passwordSelect Power-On Password Select either User HDP or Master HDP Power managementScreen blank mode Standby modeHibernation mode Related service information Checkout guide Testing the computerDiagnostics Interactive Tests Utility Power system checkoutDetecting system information with PC-Doctor Hardware InfoChecking operational charging Checking the ac adapterChecking the battery pack For Lithium ion batteryFor Nickel metal hydride battery Checking the backup battery ThinkPad A21e Trademarks Product overview SpecificationsBlinking orange Status indicatorsIndicator Meaning Following table shows the test for each FRU FRU TestsFRU Fn + F3 Fn key combinationsNumeric error codes Symptom-to-FRU indexDimm IBM Bios Setup Utility Error messages Beep symptoms Intermittent problems LCD-related symptomsUndetermined problems FRU replacement noticesScrew notices Torque driver Retaining serial numbersPlastic to plastic Logic card to plasticRestoring 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 Dimm Backup batteryDo not drop or apply any shock to the hard-disk Hard-disk driveRemoving 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 12.1-in. panel Inverter card14.1-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 Power cords system Common parts listTrademarks ThinkPad A21e Part Number 06P8883