Lenovo 350828U, Руководство по техническому обслуживанию аппаратной части, Страница: 3 / 132

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 codes . . . . . . . . . 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
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program
. . . . . . . . . . 24
System supporting the Lenovo diagnostics
programs . . . . . . . . . . . . . . .
29
Power system checkout . . . . . . . . . . . 31
Checking the ac power adapter . . . . . . 31
Checking operational charging . . . . . . 32
Checking the battery pack . . . . . . . . 32
Checking the backup battery . . . . . . . 33
Chapter 4. Related service
information . . . . . . . . . . . . . .
35
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . .
35
Passwords . . . . . . . . . . . . . . . . 36
Power-on password . . . . . . . . . . . 36
Hard-disk password. . . . . . . . . . . 36
Supervisor password . . . . . . . . . . 37
How to remove the power-on password . . . 37
How to remove the hard-disk password . . . 37
Power management . . . . . . . . . . . . 38
Screen blank mode . . . . . . . . . . . 38
Sleep or standby mode . . . . . . . . . 38
Hibernation mode . . . . . . . . . . . 39
Symptom-to-FRU index . . . . . . . . . . . 39
Numeric error codes . . . . . . . . . . 40
Error messages . . . . . . . . . . . . 42
No-beep symptoms . . . . . . . . . . . 42
LCD-related symptoms . . . . . . . . . 42
Intermittent problems . . . . . . . . . . 43
Undetermined problems . . . . . . . . . 43
Chapter 5. Status indicators . . . . . 45
Chapter 6. Fn key combinations . . . 47
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . .
49
Screw notices . . . . . . . . . . . . . . . 49
Retaining serial numbers. . . . . . . . . . . 50
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
50
Retaining the UUID . . . . . . . . . . . 51
Reading or writing the ECA information . . . 51
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .
53
Before servicing ThinkPad X100e and ThinkPad
X120e . . . . . . . . . . . . . . . . . .
53
1010 Battery pack . . . . . . . . . . . . . 54
1020 Bottom door . . . . . . . . . . . . . 55
1030 Hard disk drive (HDD). . . . . . . . . . 58
1040 DIMM . . . . . . . . . . . . . . . . 60
1050 PCI Express Mini Card for wireless LAN . . 60
1060 PCI Express Mini Card for wireless WAN . . 61
1070 Bluetooth daughter card (BDC-2) . . . . . 62
1080 Keyboard . . . . . . . . . . . . . . 64
1090 Palm rest assembly, power-on board
assembly (with cable), and microphone . . . . .
67
1100 CRT board assembly (with cable) . . . . . 71
1110 Speaker assembly . . . . . . . . . . . 72
1120 I/O board (for ThinkPad X120e) . . . . . . 73
1130 System board, fan assembly, and backup
battery . . . . . . . . . . . . . . . . . .
74
1140 LCD unit . . . . . . . . . . . . . . . 80
1150 DC-in cable and base cover assembly . . . 82
2010 LCD bezel assembly . . . . . . . . . . 84
2020 Integrated camera . . . . . . . . . . . 85
2030 LCD panel, hinges, and LCD cable . . . . 86
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