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) . . . . . .
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 . . . . . . . . . . . . . . . . . .
Resetting your computer . . . . . . . . .
Using advanced startup options . . . . . .
10 fails to start . . . . . . . . . . . . .
Passwords . . . . . . . . . . . . . . . .
© Copyright Lenovo 2016, 2017
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Power-on password . . . . . . . . . . .
Hard disk password . . . . . . . . . . .
Supervisor password . . . . . . . . . .
1
1
2
3
operating system only) . . . . . . . . . .
4
Sleep mode . . . . . . . . . . . . . .
4
Symptom-to-FRU index . . . . . . . . . . .
Error messages . . . . . . . . . . . .
19
Beep errors . . . . . . . . . . . . . .
No-beep symptoms . . . . . . . . . . .
19
LCD-related symptoms . . . . . . . . .
20
Intermittent problems . . . . . . . . . .
Undetermined problems . . . . . . . . .
20
Chapter 5. Status indicators . . . . . 41
20
20
Chapter 6. Function keys . . . . . . . 43
20
Chapter 7. Locations . . . . . . . . . 45
23
indicators. . . . . . . . . . . . . . . . .
24
Front view. . . . . . . . . . . . . . .
24
Left-side view . . . . . . . . . . . . .
24
Bottom view . . . . . . . . . . . . . .
25
Locating FRUs and CRUs . . . . . . . . . .
26
Major FRUs . . . . . . . . . . . . . .
26
27
Connector and cable guide . . . . . . . .
Looking up FRU information . . . . . . . . .
27
28
notices . . . . . . . . . . . . . . . . 55
Screw notices . . . . . . . . . . . . . . .
Retaining serial numbers. . . . . . . . . . .
29
unit . . . . . . . . . . . . . . . . .
Retaining the UUID . . . . . . . . . . .
30
30
30
FRU . . . . . . . . . . . . . . . . . . 59
General guidelines . . . . . . . . . . . . .
31
Before servicing the computer . . . . . . . .
31
Disabling the built-in battery . . . . . . .
32
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32
32
33
33
34
34
34
34
35
36
37
37
38
38
39
39
45
45
46
46
47
48
50
51
54
55
56
56
57
59
60
60
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