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Contents
About this manual. . . . . . . . . . .
iii
How to remove the power-on password . . .
36
How to remove the hard disk password . . .
36
Chapter 1. Safety information . . . . .
1
Power management
. . . . . . . . . . . .
37
General safety . . . . . . . . . . . . . . .
1
Screen blank mode (for the Windows 7
Electrical safety . . . . . . . . . . . . . .
2
operating system only) . . . . . . . . . .
37
Safety inspection guide . . . . . . . . . . .
3
Sleep mode . . . . . . . . . . . . . .
37
Handling devices that are sensitive to electrostatic
Hibernation mode
. . . . . . . . . . .
37
discharge. . . . . . . . . . . . . . . . .
3
Symptom-to-FRU index . . . . . . . . . . .
38
Grounding requirements . . . . . . . . . . .
4
Numeric error codes
. . . . . . . . . .
39
Safety notices (multilingual translations) . . . . .
4
Error messages
. . . . . . . . . . . .
39
Laser compliance statement (multilingual
No-beep symptoms . . . . . . . . . . .
40
translations) . . . . . . . . . . . . . . . .
17
LCD-related symptoms . . . . . . . . .
40
Chapter 2. Important service
Intermittent problems . . . . . . . . . .
40
information . . . . . . . . . . . . . .
23
Undetermined problems . . . . . . . . .
41
Strategy for replacing FRUs . . . . . . . . .
23
Chapter 5. Status indicators . . . . .
43
Strategy for replacing a hard disk drive . . .
23
Important notice for replacing a system
Chapter 6. Special keys . . . . . . . .
45
board . . . . . . . . . . . . . . . .
24
How to use error codes . . . . . . . . .
24
Chapter 7. Locations . . . . . . . . .
47
Strategy for replacing FRUs for CTO, CMV, and
Locating computer controls, connectors, and
GAV products . . . . . . . . . . . . . . .
24
indicators. . . . . . . . . . . . . . . . .
47
Product definition . . . . . . . . . . . .
24
Front view. . . . . . . . . . . . . . .
47
FRU identification for CTO, CMV, and GAV
Rear view . . . . . . . . . . . . . . .
48
products . . . . . . . . . . . . . . .
25
Bottom view . . . . . . . . . . . . . .
48
Chapter 3. General checkout . . . . .
27
Locating FRUs and CRUs . . . . . . . . . .
48
What to do first . . . . . . . . . . . . . .
27
Major FRUs and CRUs. . . . . . . . . .
50
Checkout guide . . . . . . . . . . . . . .
28
LCD FRUs and CRUs . . . . . . . . . .
52
Lenovo Solution Center . . . . . . . . .
28
Looking up FRU information . . . . . . . . .
53
Quick test programs. . . . . . . . . . .
28
Chapter 8. FRU replacement
UEFI diagnostic program . . . . . . . . .
29
notices . . . . . . . . . . . . . . . .
55
Bootable diagnostic programs. . . . . . .
29
Screw notices . . . . . . . . . . . . . . .
55
Power system checkout . . . . . . . . . . .
30
Retaining serial numbers, MTM, UUID, and Asset
Checking the ac power adapter . . . . . .
30
ID . . . . . . . . . . . . . . . . . . . .
56
Checking operational charging
. . . . . .
31
Checking the battery pack . . . . . . . .
31
Chapter 9. Removing or replacing a
Checking the backup battery . . . . . . .
32
FRU . . . . . . . . . . . . . . . . . .
57
General guidelines . . . . . . . . . . . . .
57
Chapter 4. Related service
Before servicing Lenovo B430 models . . . . .
58
information . . . . . . . . . . . . . .
33
1010 Battery pack . . . . . . . . . . . . .
58
Restoring the factory contents by using the
1020 Large bottom cover . . . . . . . . . .
59
Recovery Disc Set . . . . . . . . . . . . .
33
1030 Small bottom cover . . . . . . . . . .
60
Using the Windows recovery programs on the
Windows 8 operating system . . . . . . . . .
34
1040 Optical drive or blank bezel . . . . . . .
60
Passwords . . . . . . . . . . . . . . . .
35
1050 Memory modules . . . . . . . . . . .
61
Power-on password . . . . . . . . . . .
35
1060 Hard disk drive assembly . . . . . . . .
62
Hard disk password . . . . . . . . . . .
35
1070 PCI Express Mini Card for wireless LAN . .
64
Supervisor password . . . . . . . . . .
36
1080 Backup battery . . . . . . . . . . . .
65
© Copyright Lenovo 2012
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