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IBM
X121E
User Manual
IBM X121E User Manual
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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
Chapter 2. Important service
information . . . . . . . . . . . . . .
19
Strategy for replacing FRUs . . . . . . . . .
19
Strategy for replacing a hard disk drive . . .
20
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
20
How to use error message . . . . . . . .
20
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . .
20
Product definition . . . . . . . . . . . .
20
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . .
21
Chapter 3. General checkout . . . . .
23
What to do first . . . . . . . . . . . . . .
23
Checkout guide . . . . . . . . . . . . . .
24
Diagnostics using PC-Doctor for DOS. . . .
24
Lenovo ThinkVantage Toolbox . . . . . . .
26
FRU tests . . . . . . . . . . . . . . .
27
Power system checkout . . . . . . . . . . .
28
Checking the ac power adapter . . . . . .
28
Checking operational charging
. . . . . .
29
Checking the battery pack . . . . . . . .
29
Checking the backup battery . . . . . . .
30
Chapter 4. Related service
information . . . . . . . . . . . . . .
31
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . .
31
Passwords . . . . . . . . . . . . . . . .
32
Power-on password . . . . . . . . . . .
32
Hard disk password . . . . . . . . . . .
32
Supervisor password . . . . . . . . . .
33
How to remove the power-on password . . .
33
How to remove the hard-disk password . . .
33
Power management
. . . . . . . . . . . .
34
Screen blank mode . . . . . . . . . . .
34
Sleep (standby) mode . . . . . . . . . .
34
Hibernation mode
. . . . . . . . . . .
35
Symptom-to-FRU index . . . . . . . . . . .
35
Numeric error codes
. . . . . . . . . .
36
Error messages
. . . . . . . . . . . .
37
Beep symptoms . . . . . . . . . . . .
37
No-beep symptoms . . . . . . . . . . .
37
LCD-related symptoms . . . . . . . . .
38
Intermittent problems . . . . . . . . . .
38
Undetermined problems . . . . . . . . .
39
Chapter 5. Status indicators . . . . .
41
Chapter 6. Fn key combinations . . .
43
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . .
45
Screw notices . . . . . . . . . . . . . . .
45
Retaining serial numbers. . . . . . . . . . .
46
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
46
Retaining the UUID . . . . . . . . . . .
47
Reading or writing the ECA information . . .
47
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .
49
Before servicing ThinkPad X121e models . . . .
49
1010 Battery pack . . . . . . . . . . . . .
50
1020 Bottom slot cover . . . . . . . . . . .
51
1030 Memory modules . . . . . . . . . . .
52
1040 Hard disk drive or solid state drive
assembly . . . . . . . . . . . . . . . . .
53
1050 PCI Express Mini Card for wireless LAN . .
54
1060 PCI Express Mini Card for wireless WAN . .
56
1070 Keyboard . . . . . . . . . . . . . .
57
1080 Power sub card and microphone . . . . .
59
1090 Top case assembly. . . . . . . . . . .
60
1100 Bluetooth daughter card
. . . . . . . .
62
1110 Speaker assembly . . . . . . . . . . .
63
1120 I/O board
. . . . . . . . . . . . . .
64
1130 System board assembly, fan assembly, and
backup battery
. . . . . . . . . . . . . .
65
1140 CRT board assembly (with cable) . . . . .
67
1150 DC-in sub card and base cover assembly . .
68
2010 LCD unit . . . . . . . . . . . . . . .
71
2020 LCD bezel assembly . . . . . . . . . .
73
2030 Integrated camera . . . . . . . . . . .
74
2040 LCD panel, LCD cable, and hinges
. . . .
75
© Copyright Lenovo 2011
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