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Ноутбуки - ThinkPad L440 (247.06 kb)
Ноутбуки - ThinkPad L440 (246.5 kb)
Ноутбуки - ThinkPad L440 (264.8 kb)
Ноутбуки - ThinkPad L440 (246.69 kb)
Фрагмент инструкции
Contents
About this manual. . . . . . . . . . .
iii
How to remove the power-on password . . .
40
How to remove the hard-disk password . . .
40
Chapter 1. Safety information . . . . . . 1
Power management
. . . . . . . . . . . .
41
General safety . . . . . . . . . . . . . . . .
1
Screen blank mode (for the Windows 7
Electrical safety . . . . . . . . . . . . . . .
2
operating system only) . . . . . . . . . .
41
Safety inspection guide . . . . . . . . . . . .
3
Sleep mode . . . . . . . . . . . . . .
41
Handling devices that are sensitive to electrostatic
Hibernation mode
. . . . . . . . . . .
42
discharge. . . . . . . . . . . . . . . . . .
3
Symptom-to-FRU index . . . . . . . . . . .
42
Grounding requirements . . . . . . . . . . . .
4
Numeric error codes
. . . . . . . . . .
43
Safety notices (multilingual translations) . . . . . .
4
Error messages
. . . . . . . . . . . .
44
Laser compliance statement (multilingual
Beep errors . . . . . . . . . . . . . .
45
translations) . . . . . . . . . . . . . . . .
19
LCD-related symptoms . . . . . . . . .
45
Chapter 2. Important service
Intermittent problems . . . . . . . . . .
46
information . . . . . . . . . . . . . .
25
Undetermined problems . . . . . . . . .
46
Strategy for replacing FRUs . . . . . . . . .
25
Chapter 5. Status indicators . . . . .
47
Strategy for replacing a hard disk drive, a
solid-state drive, or an M.2 solid-state drive .
26
Chapter 6. Fn key combinations . . .
49
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
26
Chapter 7. Locations . . . . . . . . .
51
How to use error message . . . . . . . .
26
Locating computer controls, connectors, and
Strategy for replacing FRUs for CTO, special-bid,
indicators. . . . . . . . . . . . . . . . .
51
and standard models . . . . . . . . . . . .
26
ThinkPad L440 overview . . . . . . . . .
51
Product definition . . . . . . . . . . . .
26
ThinkPad L540 overview . . . . . . . . .
53
FRU identification . . . . . . . . . . .
27
Locating FRUs and CRUs . . . . . . . . . .
54
Chapter 3. General checkout . . . . .
29
Major FRUs and CRUs. . . . . . . . . .
56
What to do first . . . . . . . . . . . . . .
29
LCD FRUs and CRUs . . . . . . . . . .
58
Checkout guide . . . . . . . . . . . . . .
30
Miscellaneous kits and other FRUs . . . . .
59
Lenovo Solution Center . . . . . . . . .
30
Looking up FRU information . . . . . . .
60
Quick test programs. . . . . . . . . . .
30
Chapter 8. FRU replacement
UEFI diagnostic program . . . . . . . . .
31
notices . . . . . . . . . . . . . . . .
61
Bootable diagnostic programs. . . . . . .
31
Screw notices . . . . . . . . . . . . . . .
61
Power system checkout . . . . . . . . . . .
32
Retaining serial numbers. . . . . . . . . . .
62
Checking the ac power adapter . . . . . .
33
Restoring the serial number of the system
Checking operational charging
. . . . . .
33
unit . . . . . . . . . . . . . . . . .
62
Checking the battery pack . . . . . . . .
33
Retaining the UUID . . . . . . . . . . .
63
Checking the coin-cell battery . . . . . . .
34
Reading or writing the ECA information . . .
63
Chapter 4. Related service
Chapter 9. Removing or replacing a
information . . . . . . . . . . . . . .
35
FRU . . . . . . . . . . . . . . . . . .
65
Restoring the factory contents by using the
Before servicing the computer . . . . . . . .
66
Recovery Disc Set . . . . . . . . . . . . .
35
1010 Battery pack . . . . . . . . . . . . .
66
Using the Windows recovery programs (for
Windows 8 and Windows 8.1 only) . . . . . . .
36
1020 Bottom door . . . . . . . . . . . . .
67
Passwords . . . . . . . . . . . . . . . .
39
1030 Optical drive . . . . . . . . . . . . .
68
Power-on password . . . . . . . . . . .
39
1040 Hard disk drive or solid-state drive
. . . .
70
Hard-disk password. . . . . . . . . . .
39
1050 Memory module . . . . . . . . . . . .
71
Supervisor password . . . . . . . . . .
40
1060 WWAN card or M.2 solid-state drive . . . .
72
© Copyright Lenovo 2013, 2015
i
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