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............14
General safety............14
Electrical safety ...........15
Safety inspection guide .........16
Handling electrostatic discharge-sensitive devices 17
Grounding requirements .........18
Laser compliance statement.........18
General descriptions ..........23
Read this first .............23
What to do first ...........23
Related service information .........25
Service Web site ...........25
Product recovery program ........25
Passwords .............27
Power management ..........30
Checkout guide ............33
Testing the computer ..........33
Detecting system information with PC-Doctor. . . 35
Power system checkout .........35
ThinkPad A22m wireless models.......39
Product overview ............41
Specifications ............41
Status indicators ...........42
FRU tests .............44
Fn key combinations ..........46
Symptom-to-FRU index ..........47
Numeric error codes ..........47
Error messages ...........50
Beep symptoms ...........51
No beep symptoms ..........51
LCD-related symptoms .........52
Intermittent problems ..........52
Undetermined problems .........53
FRU replacement notices .........54
Screw notices ............54
Retaining serial numbers.........55
Removing and replacing a FRU........57
1010 Battery pack...........58
1020 DIMM ............59
1030 Mini PCI adapter .........61
1040 Backup battery ..........63
1050 Hard-disk drive or RF ID adapter ....64
© Copyright IBM Corp. 2001
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