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Contents
About this manual. . . . . . . . . . .
iii
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . .
35
Chapter 1. Safety information . . . . . . 1
Sleep mode . . . . . . . . . . . . . .
35
General safety . . . . . . . . . . . . . . . .
1
Hibernation mode
. . . . . . . . . . .
35
Electrical safety . . . . . . . . . . . . . . .
1
Symptom-to-FRU index . . . . . . . . . . .
36
Safety inspection guide . . . . . . . . . . . .
2
Numeric error codes
. . . . . . . . . .
36
Handling devices that are sensitive to electrostatic
Error messages
. . . . . . . . . . . .
37
discharge. . . . . . . . . . . . . . . . . .
3
Beep symptoms . . . . . . . . . . . .
38
Grounding requirements . . . . . . . . . . . .
4
No-beep symptoms . . . . . . . . . . .
38
Safety notices (multilingual translations) . . . . . .
4
LCD-related symptoms . . . . . . . . .
38
Intermittent problems . . . . . . . . . .
39
Chapter 2. Important service
Undetermined problems . . . . . . . . .
39
information . . . . . . . . . . . . . .
19
Strategy for replacing FRUs . . . . . . . . .
19
Chapter 5. Status indicators . . . . .
41
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . .
19
Chapter 6. Function keys and
Important notice for replacing a system
combinations . . . . . . . . . . . . .
43
board . . . . . . . . . . . . . . . .
20
How to use error message . . . . . . . .
20
Chapter 7. Locations . . . . . . . . .
45
Strategy for replacing FRUs for CTO, special-bid,
Locating computer controls, connectors, and
and standard models . . . . . . . . . . . .
20
indicators. . . . . . . . . . . . . . . . .
45
Product definition . . . . . . . . . . . .
20
Front view. . . . . . . . . . . . . . .
45
FRU identification . . . . . . . . . . .
20
Left-side view . . . . . . . . . . . . .
46
Bottom view . . . . . . . . . . . . . .
46
Chapter 3. General checkout . . . . .
23
Locating FRUs and CRUs . . . . . . . . . .
46
What to do first . . . . . . . . . . . . . .
23
Major FRUs . . . . . . . . . . . . . .
48
Checkout guide . . . . . . . . . . . . . .
24
LCD FRUs
. . . . . . . . . . . . . .
50
Lenovo Solution Center . . . . . . . . .
24
Miscellaneous kits and other FRUs . . . . .
52
Quick test programs. . . . . . . . . . .
24
Looking up FRU information . . . . . . .
52
UEFI diagnostic program . . . . . . . . .
25
Bootable diagnostic programs. . . . . . .
25
Chapter 8. FRU replacement
Power system checkout . . . . . . . . . . .
26
notices . . . . . . . . . . . . . . . .
53
Checking the ac power adapter . . . . . .
27
Screw notices . . . . . . . . . . . . . . .
53
Checking operational charging
. . . . . .
27
Retaining serial numbers. . . . . . . . . . .
54
Checking the external battery pack . . . . .
27
Restoring the serial number of the system
Checking the coin-cell battery . . . . . . .
28
unit . . . . . . . . . . . . . . . . .
54
Retaining the UUID . . . . . . . . . . .
55
Chapter 4. Related service
Reading or writing the ECA information . . .
55
information . . . . . . . . . . . . . .
29
Restoring the factory contents by using the
Chapter 9. Removing or replacing a
product Recovery Disc Set . . . . . . . . . .
29
FRU . . . . . . . . . . . . . . . . . .
57
Using the Windows recovery programs on the
General guidelines . . . . . . . . . . . . .
57
Windows 8 and Windows 8.1 operating systems .
30
Before servicing the computer . . . . . . . .
58
Passwords . . . . . . . . . . . . . . . .
33
Disabling the built-in battery . . . . . . .
58
Power-on password . . . . . . . . . . .
33
Removing the SIM card tray. . . . . . . .
58
Hard disk password . . . . . . . . . . .
34
1010 External battery pack . . . . . . . . . .
59
Supervisor password . . . . . . . . . .
34
1020 Base cover assembly . . . . . . . . . .
59
Power management
. . . . . . . . . . . .
34
1030 Internal battery pack . . . . . . . . . .
60
© Copyright Lenovo 2013, 2015
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