Lenovo R50e Series, R52 Series, R51e Series 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 pre-installed system . . . .	.	.	31
Passwords . . . . . . . . . . . . . 32
Power management	.	.	35
Checkout guide	.	.	38
Testing the computer	.	.	38
Detecting system information with PC-Doctor. . . 41
Power system checkout	.	.	41
ThinkPad R50e, R51e and R52 Series . . .	.	. 45
Product overview	.	.	47
Specifications	.	.	47
Status indicators	.	.	54
FRU tests	.	.	57
Fn key combinations	.	.	59
Symptom-to-FRU index	.	.	62
Numeric error codes	.	.	62
Error messages	.	.	67
Beep symptoms	.	.	68
No-beep symptoms	.	.	68
LCD-related symptoms	.	.	69
Intermittent problems	.	.	70
Undetermined problems	.	.	70

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