Lenovo 2901AKU, Руководство по техническому обслуживанию аппаратной части

Страница: 3 / 166

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) . . . . . . . . . . . . . . . .
17
Chapter 2. Important service
information . . . . . . . . . . . . . .
23
Strategy for replacing FRUs . . . . . . . . . 23
Strategy for replacing a hard disk drive . . . 24
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
24
How to use error message . . . . . . . . 24
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . .
24
Product definition . . . . . . . . . . . . 24
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . .
25
Chapter 3. General checkout . . . . . 27
What to do first . . . . . . . . . . . . . . 27
Checkout guide . . . . . . . . . . . . . . 28
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program
. . . . . . . . . . 28
System supporting the Lenovo diagnostics
programs . . . . . . . . . . . . . . .
33
Power system checkout . . . . . . . . . . . 35
Checking the AC adapter. . . . . . . . . 35
Checking operational charging . . . . . . 36
Checking the battery pack . . . . . . . . 36
Checking the backup battery . . . . . . . 37
Chapter 4. Related service
information . . . . . . . . . . . . . .
39
Restoring the factory contents by using Product
Recovery discs . . . . . . . . . . . . . .
39
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . .
39
Passwords . . . . . . . . . . . . . . . . 41
Power-on password . . . . . . . . . . . 41
Hard-disk password. . . . . . . . . . . 41
Supervisor password . . . . . . . . . . 41
How to remove the power-on password . . . 41
How to remove the hard-disk password . . . 42
Power management . . . . . . . . . . . . 42
Screen blank mode . . . . . . . . . . . 43
Sleep (standby) mode . . . . . . . . . . 43
Hibernation mode . . . . . . . . . . . 43
Symptom-to-FRU index . . . . . . . . . . . 44
Numeric error codes . . . . . . . . . . 45
Error messages . . . . . . . . . . . . 49
Beep symptoms . . . . . . . . . . . . 50
No-beep symptoms . . . . . . . . . . . 51
LCD-related symptoms . . . . . . . . . 51
Intermittent problems . . . . . . . . . . 52
Undetermined problems . . . . . . . . . 52
Chapter 5. Status indicators . . . . . 55
Chapter 6. Fn key combinations . . . 59
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . .
61
Screw notices . . . . . . . . . . . . . . . 61
Retaining serial numbers. . . . . . . . . . . 62
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
62
Retaining the UUID . . . . . . . . . . . 63
Reading or writing the ECA information . . . 63
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .
65
Before servicing ThinkPad T400s, T410s, and
T410si . . . . . . . . . . . . . . . . . .
65
1010 Battery pack . . . . . . . . . . . . . 66
1020 Serial Ultrabay Slim device or travel bezel . . 67
1030 Solid state drive (SSD) or hard disk drive
(HDD) . . . . . . . . . . . . . . . . . .
68
1040 DIMM . . . . . . . . . . . . . . . . 69
1050 PCI Express Mini Card for wireless LAN . . 71
1060 PCI Express Mini Card for wireless WAN . . 73
1070 Keyboard . . . . . . . . . . . . . . 74
1080 Backup battery . . . . . . . . . . . . 78
1090 Wireless USB adapter or Intel Turbo
Memory . . . . . . . . . . . . . . . . .
78
1100 Palm rest or palm rest with fingerprint
reader . . . . . . . . . . . . . . . . . .
79
1110 Bluetooth daughter card (BDC-2) . . . . . 80
1120 Keyboard bezel and speaker assembly . . . 81
© Copyright Lenovo 2009, 2012 i