Table Of Contents - Lenovo ThinkPad X1 Carbon 20HQ Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Safety notices (multilingual translations) . . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . .
Strategy for replacing an M.2 solid-state
drive . . . . . . . . . . . . . . . . .
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
How to use error message . . . . . . . .
Strategy for replacing FRUs for CTO, special-bid,
and standard models . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 23
What to do first . . . . . . . . . . . . . .
Checkout guide . . . . . . . . . . . . . .
Diagnosing problems . . . . . . . . . .
Quick test programs. . . . . . . . . . .
UEFI diagnostic program . . . . . . . . .
Bootable diagnostic programs. . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking the battery and operational
charging . . . . . . . . . . . . . . .
Checking the coin-cell battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 29
Recovery information . . . . . . . . . . . .
Restoring the factory contents with the
Recovery Disc Set for the Windows 7
operating system . . . . . . . . . . . .
Recovery information for the Windows 7
operating system . . . . . . . . . . . .
Recovery information for the Windows 10
operating system . . . . . . . . . . . .
Passwords . . . . . . . . . . . . . . . .
Power-on password . . . . . . . . . . .
© Copyright Lenovo 2017
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Hard disk password . . . . . . . . . . .
Supervisor password . . . . . . . . . .
How to remove the power-on password . . .
1
How to remove the hard disk password . . .
1
Power management
2
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . .
3
Sleep mode . . . . . . . . . . . . . .
4
Hibernation mode
4
Symptom-to-FRU index . . . . . . . . . . .
Numeric error codes
Error messages . . . . . . . . . . . .
Beep errors . . . . . . . . . . . . . .
19
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
19
Undetermined problems . . . . . . . . .
20
Chapter 5. Special keys . . . . . . . . 43
20
Chapter 6. Locations . . . . . . . . . 45
20
Computer controls, connectors, and indicators . .
20
Front view. . . . . . . . . . . . . . .
20
Left-side view . . . . . . . . . . . . .
Right-side view. . . . . . . . . . . . .
Rear view . . . . . . . . . . . . . . .
23
Bottom view . . . . . . . . . . . . . .
24
Status indicators . . . . . . . . . . . .
24
25 Locating FRUs and CRUs . . . . . . . . . .
Major FRUs . . . . . . . . . . . . . .
25
LCD FRUs
26
Miscellaneous parts and other FRUs . . . .
26
Connector and cable guide . . . . . . . .
27
Looking up FRU information . . . . . . . . .
27
Chapter 7. FRU replacement
28
notices . . . . . . . . . . . . . . . . 63
Common service tools
Screw notices . . . . . . . . . . . . . . .
29
Retaining serial numbers. . . . . . . . . . .
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
29
Retaining the UUID . . . . . . . . . . .
Reading or writing the ECA information . . .
30
Chapter 8. Removing or replacing a
32
FRU . . . . . . . . . . . . . . . . . . 67
33
General guidelines . . . . . . . . . . . . .
34
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