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Hardware Maintenance Manual
ThinkPad E450, E455, and E450c

Note: Before using this information and the product it supports, be sure to read the general information
under Appendix A “Notices” on page 93.
Third Edition (January 2015)
© Copyright Lenovo 2014, 2015.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration
“GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

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 . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . . 19
Strategy for replacing a hard disk drive, a
hybrid drive, or a solid-state drive . . . . . 19
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 20
How to use error message . . . . . . . . 20
Strategy for replacing FRUs for CTO, special bid
model, and standard models . . . . . . . . . 20
Product definition . . . . . . . . . . . . 20
FRU identification. . . . . . . . . . . . 21
Chapter 3. General checkout . . . . . 23
What to do first . . . . . . . . . . . . . . 23
Checkout guide . . . . . . . . . . . . . . 24
Lenovo Solution Center . . . . . . . . . 24
Quick test programs. . . . . . . . . . . 24
UEFI diagnostic program . . . . . . . . . 25
Bootable diagnostic programs. . . . . . . 25
Power system checkout . . . . . . . . . . . 26
Checking the ac power adapter . . . . . . 27
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . 27
Checking the coin-cell battery . . . . . . . 28
Chapter 4. Related service
information . . . . . . . . . . . . . . 29
Restoring the factory contents by using the
Recovery Disc Set . . . . . . . . . . . . . 29
Recovery overview for the Windows 7 operating
system . . . . . . . . . . . . . . . . . . 30
Creating and using a recovery media . . . . 31
Performing backup and recovery operations . 31
Using the Rescue and Recovery workspace . 32
Creating and using a rescue medium . . . . 33
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 34
Solving recovery problems . . . . . . . . 35
Recovery overview for the Windows 8.1 operating
system . . . . . . . . . . . . . . . . . . 35
Refreshing your computer . . . . . . . . 35
Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . . 36
Using the advanced startup options . . . . 36
Recovering your operating system if Windows
8.1 fails to start. . . . . . . . . . . . . 36
Creating and using recovery media . . . . . 37
Passwords . . . . . . . . . . . . . . . . 38
Power-on password . . . . . . . . . . . 38
Hard disk password . . . . . . . . . . . 38
Supervisor password . . . . . . . . . . 38
How to remove the power-on password . . . 39
How to remove the hard disk password . . . 39
Power management . . . . . . . . . . . . 40
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 40
Sleep mode . . . . . . . . . . . . . . 40
Hibernation mode . . . . . . . . . . . 40
Symptom-to-FRU index . . . . . . . . . . . 41
Numeric error codes . . . . . . . . . . 42
Error messages . . . . . . . . . . . . 43
Beep symptoms . . . . . . . . . . . . 43
No-beep symptoms . . . . . . . . . . . 44
LCD-related symptoms . . . . . . . . . 44
Intermittent problems . . . . . . . . . . 44
Undetermined problems . . . . . . . . . 45
Chapter 5. Status indicators . . . . . 47
Chapter 6. Function keys . . . . . . . 49
Chapter 7. Locations . . . . . . . . . 51
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . . 51
Front view. . . . . . . . . . . . . . . 51
Bottom view . . . . . . . . . . . . . . 52
Locating FRUs and CRUs . . . . . . . . . . 53
Major FRUs . . . . . . . . . . . . . . 54
LCD FRUs . . . . . . . . . . . . . . 56
Miscellaneous parts and other FRUs . . . . 56
Looking up FRU information . . . . . . . . . 57
Chapter 8. FRU replacement
notices ................ 59
Screw notices . . . . . . . . . . . . . . . 59
© Copyright Lenovo 2014, 2015 i
Produktspecifikationer
Varumärke: | Lenovo |
Kategori: | Laptop |
Modell: | ThinkPad E450 |
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