
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
Recovery information for the Windows 7 operating
system . . . . . . . . . . . . . . . . . . 31
Creating and using recovery media . . . . . 31
Reinstalling preinstalled programs and device
drivers . . . . . . . . . . . . . . . . 32
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . . . 33
Recovery overview for the Windows 10 operating
system . . . . . . . . . . . . . . . . . . 34
Resetting your computer . . . . . . . . . 34
Using advanced startup options . . . . . . 34
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . . 35
Creating and using a recovery USB drive . . . 35
Passwords. . . . . . . . . . . . . . . . . 35
Power-on password . . . . . . . . . . . 36
Hard disk password . . . . . . . . . . . 36
Supervisor password . . . . . . . . . . . 36
How to remove the power-on password . . . 36
How to remove the hard disk password. . . . 37
Power management . . . . . . . . . . . . . 37
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 38
Sleep mode . . . . . . . . . . . . . . 38
Hibernation mode . . . . . . . . . . . . 38
Symptom-to-FRU index . . . . . . . . . . . 39
Numeric error codes . . . . . . . . . . . 39
Error messages . . . . . . . . . . . . . 41
Beep symptoms . . . . . . . . . . . . . 41
No-beep symptoms . . . . . . . . . . . 41
LCD-related symptoms . . . . . . . . . . 42
Intermittent problems . . . . . . . . . . . 42
Undetermined problems . . . . . . . . . 42
Chapter 5 Status indicators 45
Chapter 6 Function keys 47
Chapter 7 Locations 49
Locating computer controls, connectors, and
indicators . . . . . . . . . . . . . . . . . 49
Front view . . . . . . . . . . . . . . . 49
Bottom view . . . . . . . . . . . . . . 50
Rear view . . . . . . . . . . . . . . . 50
Locating FRUs and CRUs . . . . . . . . . . . 50
Major FRUs . . . . . . . . . . . . . . 52
LCD FRUs . . . . . . . . . . . . . . . 54
Connector and cable guide . . . . . . . . 55
Looking up FRU information . . . . . . . . . . 58
Chapter 8 FRU replacement
notices 59
Screw notices . . . . . . . . . . . . . . . 59
Retaining serial numbers . . . . . . . . . . . 60
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 60
Retaining the UUID. . . . . . . . . . . . 61
© Copyright Lenovo 2016, 2017 i