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manual abstract
Contents
About this manual. . . . . . . . . . .
iii
Passwords . . . . . . . . . . . . . . . .
33
Power-on password . . . . . . . . . . .
33
Chapter 1. Safety information . . . . . . 1
Hard disk password . . . . . . . . . . .
33
General safety . . . . . . . . . . . . . . . .
1
Supervisor password . . . . . . . . . .
34
Electrical safety . . . . . . . . . . . . . . .
1
How to remove the power-on password . . .
34
Safety inspection guide . . . . . . . . . . . .
2
How to remove the hard disk password . . .
34
Handling devices that are sensitive to electrostatic
Power management
. . . . . . . . . . . .
35
discharge. . . . . . . . . . . . . . . . . .
3
Screen blank mode (for Windows 7 only)
. .
35
Grounding requirements . . . . . . . . . . . .
4
Sleep mode . . . . . . . . . . . . . .
35
Safety notices (multilingual translations) . . . . . .
4
Hibernation mode
. . . . . . . . . . .
36
Chapter 2. Important service
Symptom-to-FRU index . . . . . . . . . . .
36
information . . . . . . . . . . . . . .
19
Numeric error codes
. . . . . . . . . .
37
Strategy for replacing FRUs . . . . . . . . .
19
Error messages
. . . . . . . . . . . .
38
Strategy for replacing a hard disk drive or a
Beep symptoms . . . . . . . . . . . .
38
solid-state drive . . . . . . . . . . . .
19
No-beep symptoms . . . . . . . . . . .
39
Important notice for replacing a system
LCD-related symptoms . . . . . . . . .
39
board . . . . . . . . . . . . . . . .
20
Intermittent problems . . . . . . . . . .
39
How to use error message . . . . . . . .
20
Undetermined problems . . . . . . . . .
40
Strategy for replacing FRUs for CTO, special-bid,
and standard models . . . . . . . . . . . .
20
Chapter 5. Status indicators . . . . .
41
Product definition . . . . . . . . . . . .
20
FRU identification. . . . . . . . . . . .
20
Chapter 6. Function keys . . . . . . .
43
Chapter 3. General checkout . . . . .
23
Chapter 7. Locations . . . . . . . . .
45
What to do first . . . . . . . . . . . . . .
23
Locating computer controls, connectors, and
Checkout guide . . . . . . . . . . . . . .
24
indicators. . . . . . . . . . . . . . . . .
45
Lenovo Solution Center . . . . . . . . .
24
Front view. . . . . . . . . . . . . . .
45
Quick test programs. . . . . . . . . . .
24
Rear view . . . . . . . . . . . . . . .
46
UEFI diagnostic program . . . . . . . . .
25
Bottom view . . . . . . . . . . . . . .
46
Bootable diagnostic programs. . . . . . .
25
Locating FRUs and CRUs . . . . . . . . . .
47
Power system checkout . . . . . . . . . . .
26
Major FRUs . . . . . . . . . . . . . .
48
Checking the ac power adapter . . . . . .
27
LCD FRUs
. . . . . . . . . . . . . .
50
Checking the battery and operational
Miscellaneous parts and other FRUs . . . .
51
charging . . . . . . . . . . . . . . .
27
Looking up FRU information . . . . . . . . .
51
Checking the coin-cell battery . . . . . . .
28
Chapter 8. FRU replacement
Chapter 4. Related service
notices . . . . . . . . . . . . . . . .
53
information . . . . . . . . . . . . . .
29
Screw notices . . . . . . . . . . . . . . .
53
Restoring the factory contents by using the
Retaining serial numbers. . . . . . . . . . .
54
Recovery Disc Set . . . . . . . . . . . . .
29
Restoring the serial number of the system
Using the Windows recovery solutions (for
unit . . . . . . . . . . . . . . . . .
54
Windows 8 and Windows 8.1 only) . . . . . . .
30
Retaining the UUID . . . . . . . . . . .
55
Refreshing your computer . . . . . . . .
30
Reading or writing the ECA information . . .
55
Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . .
31
Chapter 9. Removing or replacing a
Using the advanced startup options . . . .
31
FRU . . . . . . . . . . . . . . . . . .
57
Using the Windows recovery environment . .
32
General guidelines . . . . . . . . . . . . .
57
Creating and using recovery media . . . . .
32
Common service tools
. . . . . . . . . . .
58
© Copyright Lenovo 2013, 2014
i
...Other models in this manual:
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