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Lenovo ThinkPad T440

Tags : LenovoThinkPadT44020B620B7 
Lenovo ThinkPad T440 Hardware Maintenance Manual

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Description

Lenovo ThinkPad T440 Hardware Maintenance Manual
Second Edition (December 2013) - 120 pages

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

ThinkPad T440 Machine Type (MT) 20B6 and 20B7

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. . . . . . . 25
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 and 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
Passwords . . . . . . . . . . . . . . . . 33
Power-on password . . . . . . . . . . . 33
Hard disk password . . . . . . . . . . . 33
Supervisor password . . . . . . . . . . 34
How to remove the power-on password . . . 34
How to remove the hard disk password . . . 35
Power management . . . . . . . . . . . . 35
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 35
Sleep mode . . . . . . . . . . . . . . 35
Hibernation mode . . . . . . . . . . . 36
Symptom-to-FRU index . . . . . . . . . . . 36
Numeric error codes . . . . . . . . . . 37
Error messages . . . . . . . . . . . . 38
Beep symptoms . . . . . . . . . . . . 38
No-beep symptoms . . . . . . . . . . . 39
LCD-related symptoms . . . . . . . . . 39
Intermittent problems . . . . . . . . . . 39
Undetermined problems . . . . . . . . . 40
Chapter 5. Status indicators . . . . . 41
Chapter 6. Function keys . . . . . . . 43
Chapter 7. Locations . . . . . . . . . 45
Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . . 45
Front view. . . . . . . . . . . . . . . 45
Rear view . . . . . . . . . . . . . . . 46
Bottom view . . . . . . . . . . . . . . 46
Locating FRUs and CRUs . . . . . . . . . . 47
Major FRUs and CRUs. . . . . . . . . . 48
LCD FRUs . . . . . . . . . . . . . . 50
Miscellaneous parts and other FRUs . . . . 52
Looking up FRU information . . . . . . . . . 52
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 53
Screw notices . . . . . . . . . . . . . . . 53
Retaining serial numbers. . . . . . . . . . . 54
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 54
Retaining the UUID . . . . . . . . . . . 55
Reading or writing the ECA information . . . 55
Chapter 9. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 57
General guidelines . . . . . . . . . . . . . 57
Before servicing the computer . . . . . . . . 58
Disabling the internal battery pack . . . . . 58
1010 SIM card and SIM-card tray . . . . . . . 58
1020 External battery pack . . . . . . . . . . 58
1030 Keyboard . . . . . . . . . . . . . . 59
1040 Base cover assembly . . . . . . . . . . 66
1050 Hard disk drive or solid-state drive . . . . 68
1060 Speaker assembly . . . . . . . . . . . 70
1070 dc-in cable . . . . . . . . . . . . . . 71
1080 Wireless-LAN/Bluetooth card. . . . . . . 72
1090 Wireless-WAN card or M.2 solid-state drive . 73
1100 Coin-cell battery. . . . . . . . . . . . 75
1110 Memory module . . . . . . . . . . . . 76
1120 Thermal fan assembly . . . . . . . . . 77
1130 Internal battery pack . . . . . . . . . . 79
1140 Smart-card reader . . . . . . . . . . . 81
1150 NFC card . . . . . . . . . . . . . . 82
1160 LCD unit . . . . . . . . . . . . . . . 83
1170 System board . . . . . . . . . . . . . 86
1180 Fingerprint-reader card . . . . . . . . . 88
1190 Power-button card . . . . . . . . . . . 89
1200 Keyboard bezel assembly . . . . . . . . 90
LCD FRUs for touch models . . . . . . . . . 91
2010 LCD bezel assembly (for touch
models). . . . . . . . . . . . . . . . 91
2020 LCD panel and LCD-panel cover
assembly (for touch models) . . . . . . . 92
2030 Camera/microphone module, camera
module, or microphone module (for touch
models). . . . . . . . . . . . . . . . 95
2040 LCD hinges and LCD cable (for touch
models). . . . . . . . . . . . . . . . 96
2050 Camera/microphone-module cable,
camera-module cable, or microphone-module
cable (for touch models) . . . . . . . . . 97
2060 Wireless-LAN/WAN antenna assembly
or wireless-LAN antenna, and LCD rear-cover
assembly (for touch models) . . . . . . . 98
LCD FRUs for non-touch models . . . . . . . 100
2010 LCD-bezel sheet and LCD bezel
assembly (for non-touch models) . . . . . 100
2020 LCD panel (for non-touch models) . . . 102
2030 Camera/microphone module, camera
module, or microphone module (for non-touch
models). . . . . . . . . . . . . . . . 103
2040 LCD hinges and LCD cable (for
non-touch models) . . . . . . . . . . . 103
2050 Camera/microphone-module cable,
camera-module cable, or microphone-module
cable (for non-touch models) . . . . . . . 104
2060 Wireless-LAN/WAN antenna assembly
or wireless-LAN antenna, and LCD rear-cover
assembly (for non-touch models) . . . . . 106
Appendix A. Notices. . . . . . . . . 109
Electronic emissions notices . . . . . . . . . 110
Trademarks . . . . . . . . . . . . . . . . 110
Appendix B. Abbreviation table . . . 111



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