Table Of Contents - Lenovo ThinkPad T470p 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 a hard disk drive or a
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 . . . . . . . . . . . . . .
Lenovo Companion . . . . . . . . . . .
Quick test programs. . . . . . . . . . .
UEFI diagnostic program . . . . . . . . .
Bootable diagnostic programs. . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Checking the battery pack and the operational
charging . . . . . . . . . . . . . . .
Checking the coin-cell battery . . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 29
Recovery information . . . . . . . . . . . .
Resetting your computer . . . . . . . . .
Using advanced startup options . . . . . .
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . .
Creating and using a recovery USB drive . .
Passwords . . . . . . . . . . . . . . . .
Power-on password . . . . . . . . . . .
Hard disk password . . . . . . . . . . .
© Copyright Lenovo 2017
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Supervisor password . . . . . . . . . .
How to remove the power-on password . . .
How to remove the hard disk password . . .
1
Power management
1
Sleep mode . . . . . . . . . . . . . .
2
Hibernation mode
Symptom-to-FRU index . . . . . . . . . . .
3
Numeric error codes
4
Error messages . . . . . . . . . . . .
4
Beep symptoms . . . . . . . . . . . .
No-beep symptoms . . . . . . . . . . .
LCD-related symptoms . . . . . . . . .
Intermittent problems . . . . . . . . . .
19
Undetermined problems . . . . . . . . .
19
Chapter 5. Function keys . . . . . . . 39
20
Chapter 6. Locations . . . . . . . . . 41
20
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . .
20
Front view. . . . . . . . . . . . . . .
20
Side views . . . . . . . . . . . . . .
20
Bottom view . . . . . . . . . . . . . .
Status indicators . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . .
23
Major FRUs and CRUs. . . . . . . . . .
24
LCD FRUs
24
24 Miscellaneous parts . . . . . . . . . . .
Connector and cable guide . . . . . . . .
25
Looking up FRU information . . . . . . . . .
25
26
Chapter 7. FRU replacement
26
notices . . . . . . . . . . . . . . . . 53
Screw notices . . . . . . . . . . . . . . .
27
Retaining serial numbers. . . . . . . . . . .
28
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . .
Retaining the UUID . . . . . . . . . . .
Reading or writing the ECA information . . .
29
29
Chapter 8. Removing or replacing a
29
FRU . . . . . . . . . . . . . . . . . . 57
General guidelines . . . . . . . . . . . . .
29
1010 Micro-SIM-card tray . . . . . . . . . .
30
1020 Battery pack . . . . . . . . . . . . .
30
1030 Keyboard rubbers . . . . . . . . . . .
31
1040 Keyboard . . . . . . . . . . . . . .
31
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