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 . . . . . . . . . . . . . . 25
Strategy for replacing FRUs . . . . . . . . .
solid-state drive . . . . . . . . . . . .
board . . . . . . . . . . . . . . . .
How to use error codes . . . . . . . . .
and standard models . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification . . . . . . . . . . .
Chapter 3. General checkout . . . . . 29
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 coin-cell battery . . . . . . .
information . . . . . . . . . . . . . . 37
Recovery Disc Set . . . . . . . . . . . . .
system . . . . . . . . . . . . . . . . . .
Refreshing your computer . . . . . . . .
settings. . . . . . . . . . . . . . . .
© Copyright Lenovo 2014, 2015
iii
8.1 fails to start. . . . . . . . . . . . .
1
Creating and using recovery media . . . . .
2
Passwords . . . . . . . . . . . . . . . .
3
Power-on password . . . . . . . . . . .
Hard disk password . . . . . . . . . . .
3
Supervisor password . . . . . . . . . .
4
4
18
operating system only) . . . . . . . . . .
Sleep mode . . . . . . . . . . . . . .
25
Symptom-to-FRU index . . . . . . . . . . .
25
Error messages . . . . . . . . . . . .
26
Beep symptoms . . . . . . . . . . . .
No-beep symptoms . . . . . . . . . . .
26
LCD-related symptoms . . . . . . . . .
26
Intermittent problems . . . . . . . . . .
26
Undetermined problems . . . . . . . . .
26
Chapter 5. Status indicators . . . . . 49
Chapter 6. Special keys . . . . . . . . 51
29
30
Chapter 7. Locations . . . . . . . . . 53
30
30
indicators. . . . . . . . . . . . . . . . .
31
Front view. . . . . . . . . . . . . . .
32
Rear view . . . . . . . . . . . . . . .
33
Bottom view . . . . . . . . . . . . . .
33
Locating FRUs and CRUs . . . . . . . . . .
33
Major FRUs and CRUs. . . . . . . . . .
34
LCD FRUs and CRUs . . . . . . . . . .
34
Miscellaneous kits and other FRUs . . . . .
Looking up FRU information . . . . . . . . .
notices . . . . . . . . . . . . . . . . 61
37
Screw notices . . . . . . . . . . . . . . .
Retaining serial numbers. . . . . . . . . . .
38
38
unit . . . . . . . . . . . . . . . . .
Retaining the UUID . . . . . . . . . . .
38
. . . . . . . . . . . .
. . . . . . . . . . .
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39
39
39
40
41
41
41
41
42
42
42
42
43
43
44
46
46
46
47
47
47
53
53
54
54
54
56
58
60
60
61
62
62
63
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