Table Of Contents - Lenovo ThinkPad L440 Hardware Maintenance Manual
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Also See for ThinkPad L440:
- User manual (187 pages) ,
- Safety, warranty, and setup manual (2 pages) ,
- User manual (179 pages)
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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) . . . . . .
translations) . . . . . . . . . . . . . . . .
information . . . . . . . . . . . . . . 23
Strategy for replacing FRUs . . . . . . . . .
board . . . . . . . . . . . . . . . .
How to use error message . . . . . . . .
and standard models . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification . . . . . . . . . . .
Chapter 3. General checkout . . . . . 27
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 . . . . . .
Checking operational charging . . . . . .
Checking the battery pack . . . . . . . .
Checking the coin-cell battery . . . . . . .
information . . . . . . . . . . . . . . 33
Recovery Disc Set . . . . . . . . . . . . .
Windows 8 operating system . . . . . . . . .
Passwords . . . . . . . . . . . . . . . .
Power-on password . . . . . . . . . . .
Hard-disk password. . . . . . . . . . .
Supervisor password . . . . . . . . . .
© Copyright Lenovo 2013
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operating system only) . . . . . . . . . .
3
Sleep mode . . . . . . . . . . . . . .
3
Symptom-to-FRU index . . . . . . . . . . .
4
4
Error messages . . . . . . . . . . . .
Beep errors . . . . . . . . . . . . . .
17
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
Undetermined problems . . . . . . . . .
23
Chapter 5. Status indicators . . . . . 45
24
Chapter 6. Fn key combinations . . . 47
24
Chapter 7. Locations . . . . . . . . . 49
24
indicators. . . . . . . . . . . . . . . . .
24
ThinkPad L440 overview . . . . . . . . .
24
ThinkPad L540 overview . . . . . . . . .
25
Locating FRUs and CRUs . . . . . . . . . .
Major FRUs and CRUs. . . . . . . . . .
LCD FRUs and CRUs . . . . . . . . . .
27
Miscellaneous kits and other FRUs . . . . .
28
Looking up FRU information . . . . . . .
28
28
29
notices . . . . . . . . . . . . . . . . 59
29
Screw notices . . . . . . . . . . . . . . .
30
Retaining serial numbers. . . . . . . . . . .
30
31
unit . . . . . . . . . . . . . . . . .
31
Retaining the UUID . . . . . . . . . . .
32
FRU . . . . . . . . . . . . . . . . . . 63
Before servicing the computer . . . . . . . .
33
1010 Battery pack . . . . . . . . . . . . .
1020 Bottom door . . . . . . . . . . . . .
34
1030 Optical drive . . . . . . . . . . . . .
36
37
1050 Memory module . . . . . . . . . . . .
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