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Contents
About this manual. . . . . . . . . . .
iii
Creating and using recovery media . . . . .
32
Using the Windows recovery programs on the
Chapter 1. Safety information . . . . .
1
Windows 8 operating system . . . . . . . . .
33
General safety . . . . . . . . . . . . . . .
1
Passwords . . . . . . . . . . . . . . . .
34
Electrical safety . . . . . . . . . . . . . .
1
Power-on password . . . . . . . . . . .
34
Safety inspection guide . . . . . . . . . . .
2
Hard disk password . . . . . . . . . . .
34
Handling devices that are sensitive to electrostatic
Supervisor password . . . . . . . . . .
34
discharge. . . . . . . . . . . . . . . . .
3
How to remove the power-on password . . .
35
Grounding requirements . . . . . . . . . . .
4
How to remove the hard disk password . . .
35
Safety notices (multilingual translations) . . . . .
4
Power management
. . . . . . . . . . . .
36
Screen blank mode (for the Windows 7
Chapter 2. Important service
operating system only) . . . . . . . . . .
36
information . . . . . . . . . . . . . .
19
Sleep mode . . . . . . . . . . . . . .
36
Strategy for replacing FRUs . . . . . . . . .
19
Hibernation mode
. . . . . . . . . . .
37
Strategy for replacing a hard disk drive, a
Symptom-to-FRU index . . . . . . . . . . .
37
hybrid drive, or a solid-state drive . . . . .
19
Numeric error codes
. . . . . . . . . .
38
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
20
Error messages
. . . . . . . . . . . .
39
How to use error message . . . . . . . .
20
Beep symptoms . . . . . . . . . . . .
39
Strategy for replacing FRUs for CTO, special bid
No-beep symptoms . . . . . . . . . . .
40
model, and standard models . . . . . . . . .
20
LCD-related symptoms . . . . . . . . .
40
Product definition . . . . . . . . . . . .
20
Intermittent problems . . . . . . . . . .
40
FRU identification. . . . . . . . . . . .
21
Undetermined problems . . . . . . . . .
41
Chapter 3. General checkout . . . . .
23
Chapter 5. Status indicators . . . . .
43
What to do first . . . . . . . . . . . . . .
23
Checkout guide . . . . . . . . . . . . . .
24
Chapter 6. Function keys . . . . . . .
45
Lenovo Solution Center . . . . . . . . .
24
Chapter 7. Locations . . . . . . . . .
47
Quick test programs. . . . . . . . . . .
24
Locating computer controls, connectors, and
UEFI diagnostic program . . . . . . . . .
25
indicators. . . . . . . . . . . . . . . . .
47
Bootable diagnostic programs. . . . . . .
26
Front view. . . . . . . . . . . . . . .
47
Power system checkout . . . . . . . . . . .
26
Bottom view . . . . . . . . . . . . . .
48
Checking the ac power adapter . . . . . .
27
Rear view . . . . . . . . . . . . . . .
48
Checking the built-in battery and operational
Locating CRUs and FRUs . . . . . . . . . .
49
charging . . . . . . . . . . . . . . .
27
Major CRUs and FRUs. . . . . . . . . .
50
Checking the coin-cell battery . . . . . . .
28
LCD FRUs
. . . . . . . . . . . . . .
52
Chapter 4. Related service
Miscellaneous parts and other FRUs . . . .
53
information . . . . . . . . . . . . . .
29
Looking up FRU information . . . . . . . . .
53
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . .
29
Chapter 8. FRU replacement
Recovery overview for the Windows 8 and
notices . . . . . . . . . . . . . . . .
55
Windows 8.1 operating system . . . . . . . .
30
Screw notices . . . . . . . . . . . . . . .
55
Refreshing your computer . . . . . . . .
30
Retaining serial numbers. . . . . . . . . . .
56
Resetting your computer to the factory default
Restoring the serial number of the system
settings. . . . . . . . . . . . . . . .
31
unit . . . . . . . . . . . . . . . . .
56
Using the advanced startup options . . . .
31
Retaining the UUID . . . . . . . . . . .
57
Recovering your operating system if Windows
8 or Windows 8.1 fails to start . . . . . . .
31
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