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Contents
About this manual. . . . . . . . . . .
iii
Solving recovery problems . . . . . . . .
35
Recovery overview for the Windows 8.1 operating
Chapter 1. Safety information . . . . .
1
system . . . . . . . . . . . . . . . . . .
35
General safety . . . . . . . . . . . . . . .
1
Refreshing your computer . . . . . . . .
35
Electrical safety . . . . . . . . . . . . . .
1
Resetting your computer to the factory default
Safety inspection guide . . . . . . . . . . .
2
settings. . . . . . . . . . . . . . . .
36
Handling devices that are sensitive to electrostatic
Using the advanced startup options . . . .
36
discharge. . . . . . . . . . . . . . . . .
3
Recovering your operating system if Windows
Grounding requirements . . . . . . . . . . .
4
8.1 fails to start. . . . . . . . . . . . .
36
Safety notices (multilingual translations) . . . . .
4
Creating and using recovery media . . . . .
37
Passwords . . . . . . . . . . . . . . . .
38
Chapter 2. Important service
Power-on password . . . . . . . . . . .
38
information . . . . . . . . . . . . . .
19
Hard disk password . . . . . . . . . . .
38
Strategy for replacing FRUs . . . . . . . . .
19
Supervisor password . . . . . . . . . .
38
Strategy for replacing a hard disk drive, a
How to remove the power-on password . . .
39
hybrid drive, or a solid-state drive . . . . .
19
How to remove the hard disk password . . .
39
Important notice for replacing a system
Power management
. . . . . . . . . . . .
40
board . . . . . . . . . . . . . . . .
20
Screen blank mode (for the Windows 7
How to use error message . . . . . . . .
20
operating system only) . . . . . . . . . .
40
Strategy for replacing FRUs for CTO, special bid
Sleep mode . . . . . . . . . . . . . .
40
model, and standard models . . . . . . . . .
20
Hibernation mode
. . . . . . . . . . .
40
Product definition . . . . . . . . . . . .
20
Symptom-to-FRU index . . . . . . . . . . .
41
FRU identification. . . . . . . . . . . .
21
Numeric error codes
. . . . . . . . . .
42
Chapter 3. General checkout . . . . .
23
Error messages
. . . . . . . . . . . .
43
What to do first . . . . . . . . . . . . . .
23
Beep symptoms . . . . . . . . . . . .
43
Checkout guide . . . . . . . . . . . . . .
24
No-beep symptoms . . . . . . . . . . .
44
Lenovo Solution Center . . . . . . . . .
24
LCD-related symptoms . . . . . . . . .
44
Quick test programs. . . . . . . . . . .
24
Intermittent problems . . . . . . . . . .
44
UEFI diagnostic program . . . . . . . . .
25
Undetermined problems . . . . . . . . .
45
Bootable diagnostic programs. . . . . . .
25
Chapter 5. Status indicators . . . . .
47
Power system checkout . . . . . . . . . . .
26
Checking the ac power adapter . . . . . .
27
Chapter 6. Function keys . . . . . . .
49
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . .
27
Chapter 7. Locations . . . . . . . . .
51
Checking the coin-cell battery . . . . . . .
28
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .
51
Chapter 4. Related service
Front view. . . . . . . . . . . . . . .
51
information . . . . . . . . . . . . . .
29
Bottom view . . . . . . . . . . . . . .
52
Restoring the factory contents by using the
Locating FRUs and CRUs . . . . . . . . . .
53
Recovery Disc Set . . . . . . . . . . . . .
29
Major FRUs . . . . . . . . . . . . . .
54
Recovery overview for the Windows 7 operating
system . . . . . . . . . . . . . . . . . .
30
LCD FRUs
. . . . . . . . . . . . . .
56
Creating and using a recovery media . . . .
31
Miscellaneous parts and other FRUs . . . .
56
Performing backup and recovery operations .
31
Looking up FRU information . . . . . . . . .
57
Using the Rescue and Recovery workspace .
32
Chapter 8. FRU replacement
Creating and using a rescue medium . . . .
33
notices . . . . . . . . . . . . . . . .
59
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . .
34
Screw notices . . . . . . . . . . . . . . .
59
© Copyright Lenovo 2014, 2015
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