Table Of Contents - Lenovo ThinkPad T520 Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . . . v
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) . . . . . .
Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 23
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 . . . . . 27
What to do first . . . . . . . . . . . . . .
Checkout guide . . . . . . . . . . . . . .
Diagnostics using PC-Doctor for DOS. . . .
Lenovo ThinkVantage Toolbox . . . . . . .
FRU tests . . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac adapter . . . . . . . . .
Checking operational charging . . . . . .
Checking the battery pack . . . . . . . .
Checking the backup battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 35
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 . . .
© Copyright Lenovo 2011
Power management
Screen blank mode . . . . . . . . . . .
Sleep (standby) mode . . . . . . . . . .
1
Hibernation mode
2
Symptom-to-FRU index . . . . . . . . . . .
3
Numeric error codes
Error messages . . . . . . . . . . . .
3
Beep symptoms . . . . . . . . . . . .
4
No-beep symptoms . . . . . . . . . . .
4
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
17
Undetermined problems . . . . . . . . .
Chapter 5. Installing and configuring
RAID . . . . . . . . . . . . . . . . . . 45
23
Supported RAID configurations . . . . . . . .
24
Configuring the system UEFI BIOS to enable
embedded SATA RAID functionality . . . . . .
24
Creating RAID volumes . . . . . . . . . . .
24
Deleting RAID volumes . . . . . . . . . . .
24
Chapter 6. Status indicators . . . . . 47
24
Chapter 7. Fn key combinations . . . 51
25
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 55
27
Screw notices . . . . . . . . . . . . . . .
28
Retaining serial numbers. . . . . . . . . . .
28
Restoring the serial number of the system
30
unit . . . . . . . . . . . . . . . . .
31
Retaining the UUID . . . . . . . . . . .
32
Reading or writing the ECA information . . .
33
33
Chapter 9. Removing and replacing a
33
FRU . . . . . . . . . . . . . . . . . . 59
34
Before servicing ThinkPad T520, T520i, and
W520 . . . . . . . . . . . . . . . . . .
1010 Battery pack . . . . . . . . . . . . .
1020 Serial Ultrabay Enhanced device or travel
bezel . . . . . . . . . . . . . . . . . .
35
1030 DIMM slot cover . . . . . . . . . . . .
36
1040 DIMM (bottom slot). . . . . . . . . . .
36
1050 Hard disk drive slot cover, hard disk drive
(HDD) and HDD rubber rails or solid state drive
36
(SSD) and storage converter . . . . . . . . .
37
1060 Keyboard . . . . . . . . . . . . . .
37
1070 DIMM (upper slot) . . . . . . . . . . .
37
1080 PCI Express Mini Card for wireless LAN . .
. . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . .
38
38
38
39
39
40
41
42
43
43
43
44
45
45
45
46
55
56
56
57
57
60
60
61
62
63
65
67
70
71
iii