IBM THINKPAD X40 Hardware Maintenance Manual

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 . . . . . . . . .19
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . .20
Grounding requirements . . . . . . . . .21
Laser compliance statement . . . . . . . . .22
General descriptions . . . . . . . . . .25
Read this first . . . . . . . . . . . . .25
What to do first . . . . . . . . . . .25
Related service information . . . . . . . . .27
Service web site . . . . . . . . . . .27
Restoring the preloaded system . . . . . .27
Recovering the hard disk to original contents . . .30
Passwords . . . . . . . . . . . . .33
Power management . . . . . . . . . .35
Checkout guide . . . . . . . . . . . .38
Testing the computer . . . . . . . . . .38
Detecting system information with PC-Doctor . . .41
Power system checkout . . . . . . . . .42
ThinkPad X40 . . . . . . . . . . . . .45
Product overview . . . . . . . . . . . .47
Specifications . . . . . . . . . . . .47
Status indicators for X40 . . . . . . . . .50
FRU tests . . . . . . . . . . . . .52
Fn key combinations . . . . . . . . . .54
Symptom-to-FRU index . . . . . . . . . .57
Numeric error codes . . . . . . . . . .57
Error messages . . . . . . . . . . .64
Beep symptoms . . . . . . . . . . .66
No-beep symptoms . . . . . . . . . .66
LCD-related symptoms . . . . . . . . .67
Intermittent problems . . . . . . . . . .68
Undetermined problems . . . . . . . . .68
FRU replacement notices . . . . . . . . .69
Screw notices . . . . . . . . . . . .69
Retaining serial numbers . . . . . . . . .70
Removing and replacing a FRU . . . . . . . .72
1010 Battery pack . . . . . . . . . . .73
© Copyright IBM Corp. 2004 iii

IBM THINKPAD X40 Specifications

General

Brand	IBM
Model	THINKPAD X40
Category	Desktop
Language	English