Table of Contents
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Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . .
General safety . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . .
discharge. . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . .
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . .
board . . . . . . . . . . . . . . . .
How to use error message . . . . . . . .
model, and standard models . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 23
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 . . . . . .
charging . . . . . . . . . . . . . . .
Checking the coin-cell battery . . . . . . .
information . . . . . . . . . . . . . . 29
Recovery Disc Set . . . . . . . . . . . . .
system . . . . . . . . . . . . . . . . . .
device drivers . . . . . . . . . . . . .
© Copyright Lenovo 2014, 2015
iii
Solving recovery problems . . . . . . . .
1
system . . . . . . . . . . . . . . . . . .
1
Refreshing your computer . . . . . . . .
1
settings. . . . . . . . . . . . . . . .
2
3
8.1 fails to start. . . . . . . . . . . . .
4
Creating and using recovery media . . . . .
4
system . . . . . . . . . . . . . . . . . .
Resetting your computer . . . . . . . . .
Using advanced startup options . . . . . .
19
10 fails to start . . . . . . . . . . . . .
19
20
Passwords . . . . . . . . . . . . . . . .
20
Power-on password . . . . . . . . . . .
Hard disk password . . . . . . . . . . .
20
Supervisor password . . . . . . . . . .
20
21
23
operating system only) . . . . . . . . . .
24
Sleep mode . . . . . . . . . . . . . .
24
24
Symptom-to-FRU index . . . . . . . . . . .
25
25
Error messages . . . . . . . . . . . .
26
Beep symptoms . . . . . . . . . . . .
27
No-beep symptoms . . . . . . . . . . .
LCD-related symptoms . . . . . . . . .
27
Intermittent problems . . . . . . . . . .
28
Undetermined problems . . . . . . . . .
Chapter 5. Status indicators . . . . . 47
Chapter 6. Function keys . . . . . . . 49
29
Chapter 7. Locations . . . . . . . . . 51
30
31
indicators. . . . . . . . . . . . . . . . .
31
Front view. . . . . . . . . . . . . . .
32
Bottom view . . . . . . . . . . . . . .
33
Locating FRUs and CRUs . . . . . . . . . .
Major FRUs . . . . . . . . . . . . . .
34
. . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . .
35
35
35
36
36
36
37
38
38
38
38
39
39
40
40
40
40
41
41
41
41
42
43
43
44
45
45
45
46
46
51
51
52
53
54
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