Lenovo MT 2369 manual Contents

Contents

About this manual	.	1
Introduction	.	3
Important service information	.	3
Strategy for replacing FRUs	.	3
Strategy for replacing a hard disk drive . . . .	.	4
How to use error messages	.	4
Strategy for replacing FRUs for CTO, CMV, and GAV		4
Product definition	.	4
FRU identification for CTO, CMV, and GAV products		5
Important information about replacing RoHS compliant
FRUs	.	7
Diskette compatibility matrix	.	8
Safety notices: multilingual translations	.	8
Safety information		20
General safety		20
Electrical safety		21
Safety inspection guide		23

Handling devices that are sensitive to electrostatic discharge . . . . . . . . . . . . 24

Grounding requirements . . .	. . .	. .	.	25
Laser compliance statement. . .	. . .	. .	.	26
General descriptions . . . .	. . .	. .	.	29
Read this first	. . .	. .	.	29
What to do first	. . .	. .	.	29
Related service information . . .	. . .	. .	.	31
Service Web site	. . .	. .	.	31
Restoring the preloaded system	. . .	. .	.	31
Recovering the hard disk to original contents . . . 34
Passwords . . . . . . . . . . . . . 37
Power management . . . .	. . .	. .	.	39
Checkout guide	. . .	. .	.	42
Testing the computer . . . .	. . .	. .	.	42
Detecting system information with PC-Doctor. . . 46
Power system checkout . . .	. . .	. .	.	46
ThinkPad X40 series . . . .	. . .	. .	.	51
Product overview	. . .	. .	.	53
Specifications	. . .	. .	.	53
Status indicators for X40 . . .	. . .	. .	.	55
FRU tests	. . .	. .	.	57
Fn key combinations . . . .	. . .	. .	.	59
Symptom-to-FRU index . . . .	. . .	. .	.	61
Numeric error codes . . . .	. . .	. .	.	61
Error messages	. . .	. .	.	68
Beep symptoms	. . .	. .	.	70
No-beep symptoms . . . .	. . .	. .	.	70
LCD-related symptoms . . .	. . .	. .	.	71
Intermittent problems . . . .	. . .	. .	.	72

© Lenovo 2005. Portions © IBM Corp. 2005. iii