Table Of Contents - Lenovo ThinkPad T540p 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) . . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . .
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . .
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
How to use error message . . . . . . . .
Strategy for replacing FRUs for CTO, special-bid,
and standard models . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 23
What to do first . . . . . . . . . . . . . .
Checkout guide . . . . . . . . . . . . . .
Lenovo Solution Center . . . . . . . . .
Quick test programs. . . . . . . . . . .
UEFI diagnostic program . . . . . . . . .
Bootable diagnostic programs. . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking the battery and operational
charging . . . . . . . . . . . . . . .
Checking the coin-cell battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 29
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . .
Using the Windows recovery solutions (for
Windows 8 and Windows 8.1 only) . . . . . . .
Refreshing your computer . . . . . . . .
Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . .
Using the advanced startup options . . . .
Using the Windows recovery environment . .
Creating and using recovery media . . . . .
© Copyright Lenovo 2013, 2015
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Recovery overview for the Windows 10 operating
system . . . . . . . . . . . . . . . . . .
Resetting your computer . . . . . . . . .
1 Using advanced startup options . . . . . .
1 Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . .
2
Creating and using a recovery USB drive . .
3
Passwords . . . . . . . . . . . . . . . .
4
Power-on password . . . . . . . . . . .
4 Hard disk password . . . . . . . . . . .
Supervisor password . . . . . . . . . .
How to remove the power-on password . . .
How to remove the hard disk password . . .
19
Power management
Screen blank mode (for Windows 7 only)
19
Sleep mode . . . . . . . . . . . . . .
Hibernation mode
20
Symptom-to-FRU index . . . . . . . . . . .
20
Numeric error codes
Error messages . . . . . . . . . . . .
20
Beep symptoms . . . . . . . . . . . .
20
No-beep symptoms . . . . . . . . . . .
20
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
23
Undetermined problems . . . . . . . . .
24
Chapter 5. Status indicators . . . . . 43
24
24
Chapter 6. Function keys . . . . . . . 45
25
26
Chapter 7. Locations . . . . . . . . . 47
26
Locating computer controls, connectors, and
27
indicators. . . . . . . . . . . . . . . . .
Front view. . . . . . . . . . . . . . .
27
Rear view . . . . . . . . . . . . . . .
28
Bottom view . . . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . .
Major FRUs . . . . . . . . . . . . . .
LCD FRUs
Miscellaneous parts and other FRUs . . . .
29
Looking up FRU information . . . . . . . . .
30
Chapter 8. FRU replacement
30
notices . . . . . . . . . . . . . . . . 55
31
Screw notices . . . . . . . . . . . . . . .
31
Retaining serial numbers. . . . . . . . . . .
32
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
32
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