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PC Notebooks - ThinkPad T450 (247.06 kb)
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Anleitung Zusammenfassung
Contents
About this manual. . . . . . . . . . .
iii
Passwords . . . . . . . . . . . . . . . .
33
Power-on password . . . . . . . . . . .
33
Chapter 1. Safety information . . . . . . 1
Hard disk password . . . . . . . . . . .
33
General safety . . . . . . . . . . . . . . . .
1
Supervisor password . . . . . . . . . .
34
Electrical safety . . . . . . . . . . . . . . .
1
How to remove the power-on password . . .
34
Safety inspection guide . . . . . . . . . . . .
2
How to remove the hard disk password . . .
35
Handling devices that are sensitive to electrostatic
Power management
. . . . . . . . . . . .
35
discharge. . . . . . . . . . . . . . . . . .
3
Screen blank mode (for the Windows 7
Grounding requirements . . . . . . . . . . . .
4
operating system only) . . . . . . . . . .
35
Safety notices (multilingual translations) . . . . . .
4
Sleep mode . . . . . . . . . . . . . .
35
Hibernation mode
. . . . . . . . . . .
36
Chapter 2. Important service
Symptom-to-FRU index . . . . . . . . . . .
36
information . . . . . . . . . . . . . .
19
Numeric error codes
. . . . . . . . . .
37
Strategy for replacing FRUs . . . . . . . . .
19
Error messages
. . . . . . . . . . . .
38
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . .
19
Beep symptoms . . . . . . . . . . . .
38
Important notice for replacing a system
No-beep symptoms . . . . . . . . . . .
39
board . . . . . . . . . . . . . . . .
20
LCD-related symptoms . . . . . . . . .
39
How to use error message . . . . . . . .
20
Intermittent problems . . . . . . . . . .
40
Strategy for replacing FRUs for CTO, special-bid,
Undetermined problems . . . . . . . . .
40
and standard models . . . . . . . . . . . .
20
Product definition . . . . . . . . . . . .
20
Chapter 5. Status indicators . . . . .
41
FRU identification. . . . . . . . . . . .
20
Chapter 6. Function keys . . . . . . .
43
Chapter 3. General checkout . . . . .
23
What to do first . . . . . . . . . . . . . .
23
Chapter 7. Locations . . . . . . . . .
45
Checkout guide . . . . . . . . . . . . . .
24
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .
45
Lenovo Solution Center . . . . . . . . .
24
Front view. . . . . . . . . . . . . . .
45
Quick test programs. . . . . . . . . . .
24
Rear view . . . . . . . . . . . . . . .
46
UEFI diagnostic program . . . . . . . . .
25
Bottom view . . . . . . . . . . . . . .
46
Bootable diagnostic programs. . . . . . .
25
Locating FRUs and CRUs . . . . . . . . . .
47
Power system checkout . . . . . . . . . . .
26
Major FRUs and CRUs. . . . . . . . . .
48
Checking the ac power adapter . . . . . .
27
LCD FRUs
. . . . . . . . . . . . . .
50
Checking the external battery pack and the
operational charging
. . . . . . . . . .
27
Miscellaneous parts and other FRUs . . . .
52
Checking the coin-cell battery . . . . . . .
28
Looking up FRU information . . . . . . . . .
53
Chapter 4. Related service
Chapter 8. FRU replacement
information . . . . . . . . . . . . . .
29
notices . . . . . . . . . . . . . . . .
55
Restoring the factory contents by using the
Screw notices . . . . . . . . . . . . . . .
55
Recovery Disc Set . . . . . . . . . . . . .
29
Retaining serial numbers. . . . . . . . . . .
56
Using the Windows recovery solutions (for
Restoring the serial number of the system
Windows 8 and Windows 8.1 only) . . . . . . .
30
unit . . . . . . . . . . . . . . . . .
56
Refreshing your computer . . . . . . . .
30
Retaining the UUID . . . . . . . . . . .
57
Resetting your computer to the factory default
Reading or writing the ECA information . . .
57
settings. . . . . . . . . . . . . . . .
31
Using the advanced startup options . . . .
31
Chapter 9. Removing or replacing a
Using the Windows recovery environment . .
32
FRU . . . . . . . . . . . . . . . . . .
59
Creating and using recovery media . . . . .
32
General guidelines . . . . . . . . . . . . .
59
© Copyright Lenovo 2014
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