Table of Contents
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Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
discharge. . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Safety notices (multilingual translations) . . . . . .
translations) . . . . . . . . . . . . . . . .
information . . . . . . . . . . . . . . 23
Strategy for replacing FRUs . . . . . . . . .
board . . . . . . . . . . . . . . . .
How to use error codes . . . . . . . . .
and standard models . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 27
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 . . . . . . .
information . . . . . . . . . . . . . . 33
Recovery Disc Set . . . . . . . . . . . . .
system . . . . . . . . . . . . . . . . . .
Refreshing your computer . . . . . . . .
settings. . . . . . . . . . . . . . . .
© Copyright Lenovo 2013
iii
8 fails to start . . . . . . . . . . . . .
Creating and using recovery media . . . . .
1
Passwords . . . . . . . . . . . . . . . .
2
Power-on password . . . . . . . . . . .
3
Hard disk password . . . . . . . . . . .
Supervisor password . . . . . . . . . .
3
4
4
17
operating system only) . . . . . . . . . .
Sleep mode . . . . . . . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
23
24
Error messages . . . . . . . . . . . .
Beep symptoms . . . . . . . . . . . .
24
No-beep symptoms . . . . . . . . . . .
24
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
24
Undetermined problems . . . . . . . . .
24
25
Chapter 5. Status indicators . . . . . 45
Chapter 6. Special keys . . . . . . . . 47
27
28
Chapter 7. Locations . . . . . . . . . 49
28
28
indicators. . . . . . . . . . . . . . . . .
29
Front view. . . . . . . . . . . . . . .
29
Rear view . . . . . . . . . . . . . . .
30
Bottom view . . . . . . . . . . . . . .
30
Locating FRUs and CRUs . . . . . . . . . .
31
Major FRUs and CRUs. . . . . . . . . .
31
LCD FRUs and CRUs . . . . . . . . . .
32
Miscellaneous kits and other FRUs . . . . .
Looking up FRU information . . . . . . . . .
notices . . . . . . . . . . . . . . . . 57
33
Screw notices . . . . . . . . . . . . . . .
Retaining serial numbers. . . . . . . . . . .
34
34
unit . . . . . . . . . . . . . . . . .
Retaining the UUID . . . . . . . . . . .
34
35
. . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . .
35
35
36
36
36
37
37
38
38
38
38
39
39
40
41
42
42
42
43
43
49
49
50
50
50
52
54
55
55
57
58
58
59
59
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