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Lenovo ThinkPad T450

Tags : LenovoThinkPadT45020BU20BV20DJ 
Lenovo ThinkPad T450 Hardware Maintenance Manual

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Description

Lenovo ThinkPad T450 Hardware Maintenance Manual
Second Edition (July 2015) - 122 Pages

This manual contains service and reference information for the following ThinkPad® products.

ThinkPad T450 Machine Type (MT) 20BU, 20BV and 20DJ

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

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 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,
and standard models . . . . . . . . . . . . 20
Product definition. . . . . . . . . . . . 20
FRU identification. . . . . . . . . . . . 20
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. . . . . . . 26
Power system checkout . . . . . . . . . . . 26
Checking the ac power adapter . . . . . . 27
Checking the external battery pack and the
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
Using the Windows recovery solutions (for
Windows 8.1 only) . . . . . . . . . . . . . 30
Refreshing your computer . . . . . . . . 30
Resetting your computer to the factory default
settings. . . . . . . . . . . . . . . . 31
Using the advanced startup options . . . . 31
Using the Windows recovery environment . . 32
Creating and using recovery media . . . . . 32
Recovery overview for the Windows 10 operating
system. . . . . . . . . . . . . . . . . . 33
Resetting your computer . . . . . . . . . 33
Using advanced startup options . . . . . . 33
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . . 34
Creating and using a recovery USB drive . . 34
Passwords . . . . . . . . . . . . . . . . 35
Power-on password . . . . . . . . . . . 35
Hard disk password . . . . . . . . . . . 35
Supervisor password . . . . . . . . . . 35
How to remove the power-on password . . . 35
How to remove the hard disk password . . . 36
Power management . . . . . . . . . . . . 37
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 37
Sleep mode . . . . . . . . . . . . . . 37
Hibernation mode . . . . . . . . . . . 37
Symptom-to-FRU index . . . . . . . . . . . 38
Numeric error codes . . . . . . . . . . 38
Error messages . . . . . . . . . . . . 40
Beep symptoms . . . . . . . . . . . . 40
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
Rear view . . . . . . . . . . . . . . . 48
Bottom view . . . . . . . . . . . . . . 48
Locating FRUs and CRUs . . . . . . . . . . 49
Major FRUs and CRUs. . . . . . . . . . 50
LCD FRUs . . . . . . . . . . . . . . 52
Miscellaneous parts and other FRUs . . . . 54
Looking up FRU information . . . . . . . . . 55
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
Reading or writing the ECA information . . . 59
Chapter 9. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 61
General guidelines . . . . . . . . . . . . . 61
Before servicing the computer . . . . . . . . 62
Disabling the internal battery pack . . . . . 62
1010 SIM card and SIM-card tray . . . . . . . 62
1020 External battery pack . . . . . . . . . . 62
1030 Keyboard . . . . . . . . . . . . . . 63
1040 Base cover assembly . . . . . . . . . . 70
1050 Hard disk drive or solid-state drive . . . . 72
1060 Memory module . . . . . . . . . . . . 74
1070 Wireless-LAN/Bluetooth card. . . . . . . 74
1080 Wireless-WAN card or M.2 solid-state drive . 75
1090 Internal battery pack . . . . . . . . . . 77
1100 Coin-cell battery. . . . . . . . . . . . 79
1110 dc-in cable assembly . . . . . . . . . . 80
1120 Thermal fan assembly . . . . . . . . . 81
1130 USB card . . . . . . . . . . . . . . 83
1140 Speaker assembly . . . . . . . . . . . 84
1150 Smart-card reader . . . . . . . . . . . 86
1160 LCD unit . . . . . . . . . . . . . . . 87
1170 System board . . . . . . . . . . . . . 90
1180 Fingerprint-reader card . . . . . . . . . 92
1190 Power-button card . . . . . . . . . . . 93
1200 Keyboard bezel assembly . . . . . . . . 94
LCD FRUs for touch models . . . . . . . . . 95
2010 LCD bezel assembly (for touch
models). . . . . . . . . . . . . . . . 95
2020 LCD panel, LCD cable and LCD-panel
cover assembly (for touch models) . . . . . 96
2030 LCD hinges (for touch models) . . . . 99
2040 Camera/microphone module, camera
module, or microphone module (for touch
models). . . . . . . . . . . . . . . . 100
2050 Camera/microphone-module cable,
camera-module cable, or microphone-module
cable (for touch models) . . . . . . . . . 100
2060 Wireless-LAN/WAN antenna assembly
or wireless-LAN antenna, and LCD rear-cover
assembly (for touch models) . . . . . . . 101
LCD FRUs for non-touch models . . . . . . . 103
2010 LCD-bezel sheet and LCD bezel
assembly (for non-touch models) . . . . . 103
2020 LCD panel (for non-touch models) . . . 105
2030 LCD hinges and LCD cable (for
non-touch models) . . . . . . . . . . . 106
2040 Camera/microphone module, camera
module, or microphone module (for non-touch
models). . . . . . . . . . . . . . . . 107
2050 Camera/microphone-module cable,
camera-module cable, or microphone-module
cable (for non-touch models) . . . . . . . 108
2060 Wireless-LAN/WAN antenna assembly
or wireless-LAN antenna, and LCD rear-cover
assembly (for non-touch models) . . . . . 109
Appendix A. Notices. . . . . . . . . 111
Electronic emissions notices . . . . . . . . . 112
Trademarks . . . . . . . . . . . . . . . . 112
Appendix B. Abbreviation table . . . 113




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