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Lenovo ThinkPad T440p

Tags : LenovoThinkPadT440p20AN20AW 
Lenovo ThinkPad T440p Hardware Maintenance Manual

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Description

Lenovo ThinkPad T440p Hardware Maintenance Manual
Fifth Edition (August 2015) - 108 pages

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

ThinkPad T440p Machine Type (MT) 20AN and 20AW

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 programs on the
Windows 8 and Windows 8.1 operating systems . 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 . . . . . . . . . . . . 36
Screen blank mode (for Windows 7 only) . . 37
Sleep mode . . . . . . . . . . . . . . 37
Hibernation mode . . . . . . . . . . . 37
Symptom-to-FRU index . . . . . . . . . . . 38
Numeric error codes . . . . . . . . . . 38
Error messages . . . . . . . . . . . . 39
Beep symptoms . . . . . . . . . . . . 40
No-beep symptoms . . . . . . . . . . . 40
LCD-related symptoms . . . . . . . . . 40
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
Left view . . . . . . . . . . . . . . . 48
Bottom view . . . . . . . . . . . . . . 48
Locating FRUs and CRUs . . . . . . . . . . 49
Major FRUs and CRUs. . . . . . . . . . 50
LCD FRUs . . . . . . . . . . . . . . 52
Miscellaneous parts and other FRUs . . . . 53
Looking up FRU information . . . . . . . . . 53
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 55
Screw notices . . . . . . . . . . . . . . . 55
Retaining serial numbers. . . . . . . . . . . 56
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 56
Retaining the UUID . . . . . . . . . . . 57
Reading or writing the ECA information . . . 57
Chapter 9. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 59
General guidelines . . . . . . . . . . . . . 59
Before servicing the computer . . . . . . . . 60
1010 External battery pack . . . . . . . . . . 60
1020 Big door . . . . . . . . . . . . . . . 61
1030 Hard disk drive or solid-state drive . . . . 63
1040 Optical drive . . . . . . . . . . . . . 64
1050 M.2 wireless LAN card . . . . . . . . . 65
1060 M.2 wireless WAN card or M.2 solid-state
drive. . . . . . . . . . . . . . . . . . . 66
1070 Memory module . . . . . . . . . . . . 67
1080 Coin-cell battery. . . . . . . . . . . . 67
1090 Fan assembly . . . . . . . . . . . . . 68
1100 Keyboard . . . . . . . . . . . . . . 69
1120 Keyboard bezel assembly . . . . . . . . 74
1130 Touch pad . . . . . . . . . . . . . . 76
1140 Power-button card . . . . . . . . . . . 77
1150 Smart-card reader . . . . . . . . . . . 78
1160 Base cover assembly . . . . . . . . . . 79
1170 Ethernet card . . . . . . . . . . . . . 81
1180 Speaker assembly . . . . . . . . . . . 82
1190 Microprocessor . . . . . . . . . . . . 83
1200 System board . . . . . . . . . . . . . 83
1210 Fingerprint reader . . . . . . . . . . . 86
1220 LCD unit . . . . . . . . . . . . . . . 87
1230 dc-in cable assembly . . . . . . . . . . 89
2010 LCD bezel assembly . . . . . . . . . . 90
2020 LCD panel and LCD cable assembly . . . . 90
2030 LCD hinge . . . . . . . . . . . . . . 92
2040 Camera/microphone combo card . . . . . 93
2050 Antenna kit and LCD rear cover assembly. . 94
Appendix A. Notices. . . . . . . . . . 97
Electronic emissions notices . . . . . . . . . 98
Trademarks . . . . . . . . . . . . . . . . 98
Appendix B. Abbreviation table . . . . 99




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