Contents

About this manual. . . . . . . . . . . iii

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

Laser compliance statement (multilingual

translations) . . . . . . . . . . . . . . . . 22

Chapter 2. Important service
information	29
Strategy for replacing FRUs	29
Strategy for replacing a hard disk drive . . .	30
Important notice for replacing a system
board	30
How to use error message	30
Strategy for replacing FRUs for CTO, CMV, and
GAV	30
Product definition	30
FRU identification for CTO, CMV, and GAV
products	31

Chapter 3. General checkout	33
What to do first	33
Checkout guide	34
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program	34
System supporting the Lenovo diagnostics
programs	39
Power system checkout	41
Checking the ac adapter	41
Checking operational charging	42
Checking the battery pack	42
Checking the backup battery	42
Chapter 4. Related service
information	45
Restoring the factory contents by using Product
Recovery discs	45
Restoring the factory contents by using Recovery
Disc Set	45
Passwords	47
Power-on password	47
Hard-disk password	47

Supervisor password	47
How to remove the power-on password . . .	47
How to remove the hard-disk password . . .	48
Power management	48
Screen blank mode	49
Sleep (Standby) mode	49
Hibernation mode	49
Symptom-to-FRU index	50
Numeric error codes	51
Error messages	55
Beep symptoms	56
No-beep symptoms	56
LCD-related symptoms	56
Intermittent problems	57
Undetermined problems	57

Chapter 5. Status indicators		59
Chapter 6. Fn key combinations . . .		63
Chapter 7. FRU replacement
notices		65
Screw notices		65
Retaining serial numbers		66
Restoring the serial number of the system
unit		66
Retaining the UUID		67
Reading or writing the ECA information . . .		67
Chapter 8. Removing and replacing a
FRU		69
Before servicing ThinkPad X200, X200s, X200si,
X201, X201i, and X201s		70
1010	Battery pack	71
1020 Hard disk drive (HDD) cover, HDD, and HDD
rubber rails or solid state drive (SSD) and storage
converter		71
1030	DIMM	74
1040	Keyboard	77
1050 Palm rest or palm rest with fingerprint
reader		80
1060	Backup battery	82
1070	PCI Express Mini Card for wireless
LAN/WiMAX		83
1080	PCI Express Mini Card for wireless WAN . .	86
1090 Intel Turbo Memory Minicard or Wireless USB
PCI Express Half-Mini Card		87
1100	Keyboard bezel	88

Lenovo 3093AC6 manual Contents