Lenovo 3093AC6 manual Contents

Contents

About this manual. . . . . . . . . . . . v

Chapter 1. Safety information . . . . . 1

General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3

Handling devices that are sensitive to electrostatic discharge. . . . . . . . . . . . . . . . . . 3

Grounding requirements . . . . . . . . . . . . 4 Safety notices (multilingual translations) . . . . . . 4

Chapter 2. Important service
information	21
Strategy for replacing FRUs	21
Strategy for replacing a hard disk drive . . .	22
Important notice for replacing a system
board	22
How to use error message	22
Strategy for replacing FRUs for CTO, CMV, and
GAV	22
Product definition	22
FRU identification for CTO, CMV, and GAV
products	23

Chapter 3. General checkout	25
What to do first	25
Checkout guide	26
Diagnostics using PC-Doctor for DOS. . . .	26
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox)	29
PC-Doctor for Windows	29
PC-Doctor for Rescue and Recovery . . . .	29
FRU tests	29
Power system checkout	31
Checking the ac adapter	31
Checking operational charging	31
Checking the battery pack	32
Checking the backup battery	32
Chapter 4. Related service
information	35
Restoring the factory contents by using Product
Recovery discs	35
Restoring the factory contents by using Recovery
Disc Set	36
Passwords	37
Power-on password	37
Hard-disk password	37
Supervisor password	37

How to remove the power-on password . . .		38
How to remove the hard-disk password . . .		38
Power management		39
Screen blank mode		39
Sleep (Standby) mode		39
Hibernation mode		40
Symptom-to-FRU index		40
Numeric error codes		41
Error messages		45
Beep symptoms		46
No-beep symptoms		47
LCD-related symptoms		47
Intermittent problems		48
Undetermined problems		48
Chapter 5. Status indicators		51
Chapter 6. Fn key combinations . . .		55
Chapter 7. FRU replacement
notices		57
Screw notices		57
Retaining serial numbers		58
Restoring the serial number of the system
unit		58
Retaining the UUID		59
Reading or writing the ECA information . . .		59
Chapter 8. Removing and replacing a
FRU		61
Before servicing ThinkPad X200 Tablet and X201
Tablet		62
1010	Digitizer pen	63
1020	Battery pack	63
1030 Hard disk drive (HDD) cover, HDD, and HDD
rubber rails or solid state drive (SSD) and storage
converter		64
1040	DIMM	67
1050	Hinge caps	69
1060	Keyboard	70
1070	Extension cable card	73
1080	Palm rest	74
1090	Backup battery	76
1100	PCI Express Mini Card for wireless
LAN/WiMAX		77
1110	PCI Express Mini Card for wireless WAN . .	80
1120 Intel Turbo Memory Minicard or Wireless USB
PCI Express Half-Mini Card		82

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