Table of Contents
Advertisement
Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
information . . . . . . . . . . . . . . . 21
Strategy for replacing FRUs . . . . . . . . . .
drive . . . . . . . . . . . . . . . . .
board . . . . . . . . . . . . . . . . .
How to use error message . . . . . . . . .
and standard models. . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification . . . . . . . . . . . .
Chapter 3. General checkout . . . . . 25
What to do first . . . . . . . . . . . . . . .
Checkout guide . . . . . . . . . . . . . . .
Diagnosing problems . . . . . . . . . . .
Quick test programs . . . . . . . . . . .
UEFI diagnostic program . . . . . . . . .
Bootable diagnostic programs . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . . .
charging . . . . . . . . . . . . . . . .
Checking the coin-cell battery . . . . . . .
information . . . . . . . . . . . . . . . 31
Reset or restore Windows . . . . . . . . . . .
Passwords. . . . . . . . . . . . . . . . .
Power-on password . . . . . . . . . . .
Nvme password . . . . . . . . . . . . .
Supervisor password . . . . . . . . . . .
System management password. . . . . . .
How to remove the Nvme password . . . . .
password . . . . . . . . . . . . . . .
© Copyright Lenovo 2022
Power management . . . . . . . . . . . . .
Sleep mode . . . . . . . . . . . . . .
Hibernation mode . . . . . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
Numeric error codes . . . . . . . . . . .
Error messages . . . . . . . . . . . . .
Beep errors. . . . . . . . . . . . . . .
LCD-related symptoms . . . . . . . . . .
Intermittent problems . . . . . . . . . . .
shortcuts . . . . . . . . . . . . . . . . 41
21
Chapter 6. Locations . . . . . . . . . 43
21
Front view . . . . . . . . . . . . . . .
22
Side view . . . . . . . . . . . . . . .
22
Bottom view . . . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . . .
22
22
Miscellaneous parts and other FRUs . . . . .
22
Connector and cable guide . . . . . . . .
Looking up FRU information . . . . . . . . . .
25
26
notices . . . . . . . . . . . . . . . . . 55
26
Service tool kit . . . . . . . . . . . . . . .
27
Screw notices . . . . . . . . . . . . . . .
27
Retaining serial numbers . . . . . . . . . . .
27
28
unit . . . . . . . . . . . . . . . . . .
28
Retaining the UUID. . . . . . . . . . . .
29
29
FRU. . . . . . . . . . . . . . . . . . . 59
General guidelines. . . . . . . . . . . . . .
Before servicing the computer . . . . . . . . .
31
Disabling the built-in battery . . . . . . . .
31
Removing the SD card . . . . . . . . . .
31
Removing a major FRU . . . . . . . . . . . .
31
32
32
models) . . . . . . . . . . . . . . . .
32
33
models) . . . . . . . . . . . . . . . .
33
. . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . .
. . . . . . . . . .
34
34
35
35
36
37
37
39
40
40
43
43
45
46
46
48
50
50
54
55
55
56
56
57
58
59
60
60
60
60
61
62
62
64
i
Advertisement
Table of Contents
