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Lenovo ThinkPad T450s

Tags : LenovoThinkPadT450s20BW20BX 
Lenovo ThinkPad T450s Hardware Maintenance Manual

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Description

Lenovo ThinkPad T450s Hardware Maintenance Manual
Second Edition (August 2015) - 116 pages

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

ThinkPad T450s Machine Types (MT) 20BW and 20BX

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 . . . . . . . . . . . 27
Checking the ac power adapter . . . . . . 27
Checking the 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
Using the Windows recovery solutions on the
Windows 8 and Windows 8.1 operating systems . 30
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 . . . . . . . . . . . . . . . . 34
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 . . . . . . . . . . . . 36
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 36
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 . . . . . . . . . . . . . . 50
LCD FRUs . . . . . . . . . . . . . . 52
Miscellaneous parts and other FRUs . . . . 55
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 built-in battery . . . . . . . 62
Removing the SIM card . . . . . . . . . 62
Removing a major FRU . . . . . . . . . . . 63
1010 External battery pack . . . . . . . . 63
1020 Base cover . . . . . . . . . . . . 63
1030 Internal storage drive . . . . . . . . 65
1040 Wireless LAN card . . . . . . . . . 67
1050 Wireless WAN card or M.2 solid-state
drive . . . . . . . . . . . . . . . . . 68
1060 Memory module . . . . . . . . . . 69
1070 Coin-cell battery . . . . . . . . . . 69
1080 Built-in battery pack . . . . . . . . 70
1090 Keyboard. . . . . . . . . . . . . 72
1110 Thermal fan assembly . . . . . . . . 78
1120 USB card. . . . . . . . . . . . . 79
1130 Speaker assembly . . . . . . . . . 80
1140 System board . . . . . . . . . . . 81
1150 Fingerprint reader . . . . . . . . . 84
1160 dc-in cable assembly . . . . . . . . 85
1170 LCD unit . . . . . . . . . . . . . 86
1180 LED-and-power-button card . . . . . 89
1190 Smart card assembly . . . . . . . . 90
1200 Keyboard bezel assembly . . . . . . 92
Removing an LCD FRU for models without touch
panel . . . . . . . . . . . . . . . . . . 92
2010 LCD bezel assembly . . . . . . . . 92
2020 LCD panel and LCD cable assembly . . 94
2030 Hinge kit . . . . . . . . . . . . . 95
2040 Integrated camera-and-microphone
combo card and LED cable assembly . . . . 96
2050 Antenna kit and LCD rear cover
assembly . . . . . . . . . . . . . . . 97
Removing an LCD FRU for models with touch
panel . . . . . . . . . . . . . . . . . . 98
3010 LCD front bezel . . . . . . . . . . 98
3020 LCD panel assembly . . . . . . . . 99
3030 Hinge kit . . . . . . . . . . . . . 100
3040 Integrated camera-and-microphone
combo card, LCD cable assembly, and LED
cable assembly . . . . . . . . . . . . 101
3050 Antenna kit and LCD rear cover
assembly . . . . . . . . . . . . . . . 102
Appendix A. Notices. . . . . . . . . 105
Electronic emissions notices . . . . . . . . . 106
Trademarks . . . . . . . . . . . . . . . . 106
Appendix B. Abbreviation table . . . 107




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