Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Important service
information . . . . . . . . . . . . . . . 21
Strategy for replacing FRUs . . . . . . . . . . 21
Strategy for replacing a hard disk drive, a
hybrid drive, or a solid-state drive . . . . . . 21
Important notice for replacing a system
board . . . . . . . . . . . . . . . . . 22
How to use error message . . . . . . . . . 22
Strategy for replacing FRUs for CTO, special bid
model, and standard models. . . . . . . . . . 22
Product definition . . . . . . . . . . . . 22
FRU identification . . . . . . . . . . . . 23
Chapter 3. General checkout . . . . . 25
What to do first . . . . . . . . . . . . . . . 25
Checkout guide . . . . . . . . . . . . . . . 26
Lenovo Companion . . . . . . . . . . . 26
Quick test programs . . . . . . . . . . . 26
UEFI diagnostic program . . . . . . . . . 27
Bootable diagnostic programs . . . . . . . 28
Power system checkout . . . . . . . . . . . 29
Checking the ac power adapter . . . . . . . 29
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . . 29
Checking the coin-cell battery . . . . . . . 30
Chapter 4. Related service
information . . . . . . . . . . . . . . . 31
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . . . 31
Recovery overview for the Windows 10 operating
system . . . . . . . . . . . . . . . . . . 32
Resetting your computer . . . . . . . . . 32
Using advanced startup options . . . . . . 32
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . . 33
Creating and using a recovery USB drive . . . 33
Passwords. . . . . . . . . . . . . . . . . 34
Power-on password . . . . . . . . . . . 34
Hard disk password . . . . . . . . . . . 34
Supervisor password . . . . . . . . . . . 34
How to remove the power-on password . . . 35
How to remove the hard disk password. . . . 35
Power management . . . . . . . . . . . . . 36
Sleep mode . . . . . . . . . . . . . . 36
Hibernation mode . . . . . . . . . . . . 36
Symptom-to-FRU index . . . . . . . . . . . 37
Numeric error codes . . . . . . . . . . . 37
Error messages . . . . . . . . . . . . . 39
Beep symptoms . . . . . . . . . . . . . 39
No-beep symptoms . . . . . . . . . . . 40
LCD-related symptoms . . . . . . . . . . 41
Intermittent problems . . . . . . . . . . . 41
Undetermined problems . . . . . . . . . 41
Chapter 5. Status indicators . . . . . 43
Chapter 6. Function keys . . . . . . . 45
Chapter 7. Locations . . . . . . . . . 47
Locating computer controls, connectors, and
indicators . . . . . . . . . . . . . . . . . 47
Front view . . . . . . . . . . . . . . . 47
Bottom view . . . . . . . . . . . . . . 48
Locating FRUs and CRUs . . . . . . . . . . . 48
Major FRUs . . . . . . . . . . . . . . 50
LCD FRUs . . . . . . . . . . . . . . . 52
Connector and cable guide . . . . . . . . 53
Looking up FRU information . . . . . . . . . . 56
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . . 57
Screw notices . . . . . . . . . . . . . . . 57
Retaining serial numbers . . . . . . . . . . . 58
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 58
Retaining the UUID. . . . . . . . . . . . 59
Chapter 9. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 61
General guidelines. . . . . . . . . . . . . . 61
Before servicing the computer . . . . . . . . . 62
Disabling the built-in battery . . . . . . . . . . 62
1010 microSD card . . . . . . . . . . . . . 62
1020 Keyboard . . . . . . . . . . . . . . . 63
1030 Base cover assembly . . . . . . . . . . 65
© Copyright Lenovo 2017 i
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