Contents
About this manual ...........1
Introduction .............3
Important service information .........3
Strategy for replacing FRUs ........3
How to use error messages ........4
Diskette compatibility matrix .........4
Safety notices: multilingual translations ......4
Safety information............16
General safety............16
Electrical safety ...........17
Safety inspection guide .........18
Handling devices that are sensitive to electorostatic
discharge ............19
Grounding requirements .........20
Laser compliance statement.........21
General descriptions ..........25
Read this first .............25
What to do first ...........25
Related service information .........27
Service web site ...........27
Restoring the preloaded system (for X30 series) 27
Recovering the hard disk to original contents (for
X31 series) ............30
Passwords .............32
Power management ..........35
Checkout guide ............38
Testing the computer ..........38
Detecting system information with PC-Doctor. . . 41
Power system checkout .........42
ThinkPad X30, X31 ...........45
Product overview ............47
Specifications ............47
Status indicators for X30.........50
Status indicators for X31.........53
FRU tests .............55
Fn key combinations ..........56
Symptom-to-FRU index ..........59
Numeric error codes ..........59
Error messages ...........63
Beep symptoms ...........64
No-beep symptoms ..........64
LCD-related symptoms .........65
Intermittent problems ..........66
Undetermined problems .........66
FRU replacement notices .........67
Screw notices ............67
Retaining serial numbers.........68
© Copyright IBM Corp. 2003
iii
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