Table Of Contents - Lenovo ThinkPad S431 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) . . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 21
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. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 25
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 operational charging . . . . . .
Checking the battery pack . . . . . . . .
Checking the backup battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 31
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . .
Recovery overview for the Windows 8 operating
system . . . . . . . . . . . . . . . . . .
Refreshing your computer . . . . . . . .
Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . .
Using the advanced startup options . . . .
Recovering your computer from the Windows
recovery environment . . . . . . . . . .
Creating and using recovery media . . . . .
© Copyright Lenovo 2013
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Passwords . . . . . . . . . . . . . . . .
Power-on password . . . . . . . . . . .
Hard disk password . . . . . . . . . . .
1
Supervisor password . . . . . . . . . .
2
How to remove the power-on password . . .
3
How to remove the hard disk password . . .
Power management
3
Screen blank mode (for the Windows 7
4
operating system only) . . . . . . . . . .
4
Sleep mode . . . . . . . . . . . . . .
Hibernation mode
Symptom-to-FRU index . . . . . . . . . . .
Numeric error codes
21
Error messages . . . . . . . . . . . .
22
No-beep symptoms . . . . . . . . . . .
Beep symptoms . . . . . . . . . . . .
22
LCD-related symptoms . . . . . . . . .
22
Intermittent problems . . . . . . . . . .
Undetermined problems . . . . . . . . .
22
22
Chapter 5. Status indicators . . . . . 43
23
Chapter 6. Special keys . . . . . . . . 45
25
Chapter 7. Locations . . . . . . . . . 47
26
Locating computer controls, connectors, and
26
indicators. . . . . . . . . . . . . . . . .
26
Front view. . . . . . . . . . . . . . .
27
Rear view . . . . . . . . . . . . . . .
27
Bottom view . . . . . . . . . . . . . .
28
Locating FRUs and CRUs . . . . . . . . . .
28
Major FRUs and CRUs. . . . . . . . . .
29
LCD FRUs and CRUs . . . . . . . . . .
29
Miscellaneous parts and other FRUs . . . .
29
Looking up FRU information . . . . . . . . .
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 55
Screw notices . . . . . . . . . . . . . . .
31
Retaining serial numbers. . . . . . . . . . .
Restoring the serial number of the system
32
unit . . . . . . . . . . . . . . . . .
32
Retaining the UUID . . . . . . . . . . .
Reading or writing the ECA information . . .
32
33
Chapter 9. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 59
33
Before servicing the computer . . . . . . . .
33
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