Table Of Contents - Lenovo ThinkPad T520 Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . .
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 statements (multilingual
translations) . . . . . . . . . . . . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 25
Strategy for replacing FRUs . . . . . . . . .
Strategy for replacing a hard disk drive . . .
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
How to use error codes . . . . . . . . .
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . . .
Chapter 3. General checkout . . . . . 29
What to do first . . . . . . . . . . . . . .
Checkout guide . . . . . . . . . . . . . .
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program
System supporting the Lenovo diagnostics
programs . . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking operational charging . . . . . .
Checking the battery pack . . . . . . . .
Checking the backup battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 41
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 . . .
© Copyright Lenovo 2011, 2012
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How to remove the hard-disk password . . .
Power management
Screen blank mode . . . . . . . . . . .
1
Sleep (standby) mode . . . . . . . . . .
2
Hibernation mode
3
Symptom-to-FRU index . . . . . . . . . . .
Numeric error codes
3
Error messages . . . . . . . . . . . .
4
Beep symptoms . . . . . . . . . . . .
4
No-beep symptoms . . . . . . . . . . .
LCD-related symptoms . . . . . . . . .
17
Intermittent problems . . . . . . . . . .
Undetermined problems . . . . . . . . .
Chapter 5. Installing and configuring
25
RAID . . . . . . . . . . . . . . . . . . 51
25
Supported RAID levels . . . . . . . . . . .
Configuring the system UEFI BIOS to enable
26
embedded SATA RAID functionality . . . . . .
26
Creating RAID volumes . . . . . . . . . . .
Deleting RAID volumes . . . . . . . . . . .
26
26
Chapter 6. Status indicators . . . . . 53
27
Chapter 7. Fn key combinations . . . 57
Chapter 8. FRU replacement
29
notices . . . . . . . . . . . . . . . . 61
31
Screw notices . . . . . . . . . . . . . . .
Retaining serial numbers. . . . . . . . . . .
31
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
35
Retaining the UUID . . . . . . . . . . .
37
Reading or writing the ECA information . . .
37
Chapter 9. Removing and replacing a
38
FRU . . . . . . . . . . . . . . . . . . 65
38
Before servicing ThinkPad T520, T520i, and
39
W520 . . . . . . . . . . . . . . . . . .
1010 Battery pack . . . . . . . . . . . . .
1020 Serial Ultrabay Enhanced device or travel
bezel . . . . . . . . . . . . . . . . . .
1030 DIMM slot cover . . . . . . . . . . . .
41
1040 DIMM (bottom slot). . . . . . . . . . .
42
1050 Hard disk drive slot cover, hard disk drive
42
(HDD) and HDD rubber rails or solid state drive
42
(SSD) and storage converter . . . . . . . . .
43
1060 Keyboard . . . . . . . . . . . . . .
43
1070 DIMM (upper slot) . . . . . . . . . . .
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