IBM X121E 사용자 설명서

Contents

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

iii

Chapter 1. Safety information . . . . . 1

General safety . . . . . . . . . . . . . . . .

Electrical safety . . . . . . . . . . . . . . .

Safety inspection guide . . . . . . . . . . . .

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

Grounding requirements . . . . . . . . . . . .

Safety notices (multilingual translations) . . . . . .

Chapter 2. Important service
information . . . . . . . . . . . . . .

Strategy for replacing FRUs . . . . . . . . .

Strategy for replacing a hard disk drive . . .

Important notice for replacing a system
board . . . . . . . . . . . . . . . .

How to use error message . . . . . . . .

Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . .

Product definition . . . . . . . . . . . .

FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . .

Chapter 3. General checkout . . . . .

What to do first . . . . . . . . . . . . . .

Checkout guide . . . . . . . . . . . . . .

Diagnostics using PC-Doctor for DOS. . . .

Lenovo ThinkVantage Toolbox . . . . . . .

FRU tests . . . . . . . . . . . . . . .

Power system checkout . . . . . . . . . . .

Checking the ac power adapter . . . . . .

Checking operational charging

. . . . . .

Checking the battery pack . . . . . . . .

Checking the backup battery . . . . . . .

Chapter 4. Related service
information . . . . . . . . . . . . . .

Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . .

Passwords . . . . . . . . . . . . . . . .

Power-on password . . . . . . . . . . .

Hard disk password . . . . . . . . . . .

Supervisor password . . . . . . . . . .

How to remove the power-on password . . .

How to remove the hard-disk password . . .

Power management

. . . . . . . . . . . .

Screen blank mode . . . . . . . . . . .

Sleep (standby) mode . . . . . . . . . .

Hibernation mode

. . . . . . . . . . .

Symptom-to-FRU index . . . . . . . . . . .

Numeric error codes

. . . . . . . . . .

Error messages

. . . . . . . . . . . .

Beep symptoms . . . . . . . . . . . .

No-beep symptoms . . . . . . . . . . .

LCD-related symptoms . . . . . . . . .

Intermittent problems . . . . . . . . . .

Undetermined problems . . . . . . . . .

Chapter 5. Status indicators . . . . .

Chapter 6. Fn key combinations . . .

Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . .

Screw notices . . . . . . . . . . . . . . .

Retaining serial numbers. . . . . . . . . . .

Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .

Retaining the UUID . . . . . . . . . . .

Reading or writing the ECA information . . .

Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .

Before servicing ThinkPad X121e models . . . .

1010 Battery pack . . . . . . . . . . . . .

1020 Bottom slot cover . . . . . . . . . . .

1030 Memory modules . . . . . . . . . . .

1040 Hard disk drive or solid state drive
assembly . . . . . . . . . . . . . . . . .

1050 PCI Express Mini Card for wireless LAN . .

1060 PCI Express Mini Card for wireless WAN . .

1070 Keyboard . . . . . . . . . . . . . .

1080 Power sub card and microphone . . . . .

1090 Top case assembly. . . . . . . . . . .

1100 Bluetooth daughter card

. . . . . . . .

1110 Speaker assembly . . . . . . . . . . .

1120 I/O board

. . . . . . . . . . . . . .

1130 System board assembly, fan assembly, and
backup battery

. . . . . . . . . . . . . .

1140 CRT board assembly (with cable) . . . . .

1150 DC-in sub card and base cover assembly . .

2010 LCD unit . . . . . . . . . . . . . . .

2020 LCD bezel assembly . . . . . . . . . .

2030 Integrated camera . . . . . . . . . . .

2040 LCD panel, LCD cable, and hinges

. . . .