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ThinkPad T400s Hardware Maintenance Manual
Models:
2808DKU
28155XU
28155YU
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Specs
Install
Before replacing parts
Parts list
Error codes
Bluetooth
Password
Status indicators
Wire Voltage V dc
Dynamic Configure To Order CTO
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Table 20. Removal steps of palm rest or palm rest with fingerprint reader (continued)
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ThinkPad T400s Hardware Maintenance Manual
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Contents
ThinkPad T400s Hardware Maintenance Manual
Page
ThinkPad T400s Hardware Maintenance Manual
First Edition June Copyright Lenovo
Contents
Parts list 145
About this manual
ThinkPad T400s
Vi ThinkPad T400s Hardware Maintenance Manual
Safety information
General safety
Electrical safety
ThinkPad T400s Hardware Maintenance Manual
Safety inspection guide
Grounding requirements
Safety notices multilingual translations
ThinkPad T400s Hardware Maintenance Manual
Safety information
ThinkPad T400s Hardware Maintenance Manual
Safety information
Perigo
Perigo
ThinkPad T400s Hardware Maintenance Manual
Safety information
Vorsicht
Vorsicht
ThinkPad T400s Hardware Maintenance Manual
Safety information
ThinkPad T400s Hardware Maintenance Manual
Safety information
ThinkPad T400s Hardware Maintenance Manual
Safety information
Peligro
Peligro
ThinkPad T400s Hardware Maintenance Manual
Safety information
Laser compliance statement multilingual translations
Safety information
Cuidado
Não abra
Safety information
Öffnen
Gefahr
Safety information
ThinkPad T400s Hardware Maintenance Manual
Safety information
Precaución
Safety information
ThinkPad T400s Hardware Maintenance Manual
Important service information
Before replacing parts
Strategy for replacing FRUs
Select Downloads and drivers
Strategy for replacing a hard disk drive
How to use error message
Important notice for replacing a system board
Dynamic Configure To Order CTO
FRU identification for CTO, CMV, and GAV products
Using eSupport
General checkout
Following are not covered under warranty
What to do first
Diagnostics using PC-Doctor for DOS
Checkout guide
Testing the computer
Hardware Info
Diagnostics Interactive Tests
Utility
Lenovo System Toolbox
PC-Doctor for Rescue and Recovery
FRU tests
Diagnostics --ThinkPad Devices --AC Adapter, Battery
Battery2
Diagnostics --Video Adapter
To Compatibility, and run Diagnostics --Other Device
FRU
Checking the AC adapter
Power system checkout
Pin Voltage V dc
Checking operational charging
Checking the battery pack
Terminal Voltage V dc
Checking the backup battery
Wire Voltage V dc
ThinkPad T400s Hardware Maintenance Manual
Related service information
Service Web site
Passwords
Power-on password
Hard-disk password
Supervisor password
How to remove the hard-disk password
How to remove the power-on password
Select Power-On Password
Select Master HDP
Screen blank mode
Power management
Standby mode
Hibernation mode
Symptom-to-FRU index
Numeric error codes
0190 Charge the battery pack
0191 Run Bios Setup Utility, and then save
0199 Run Bios Setup Utility, and then save
Installed or press Esc to ignore
0252 Reset the password by running Bios Setup
0260 Charge the backup battery for more
0270 Charge the backup battery for more
0271 Run Bios Setup Utility to reset the time
1820 Remove all but the reader that you set up
For the authentication
1830 Install Dimm in Slot-0, but not in Slot-1
Run Diagnostics --ThinkPad Devices
Error messages
Beep symptoms
No-beep symptoms
LCD-related symptoms
Reseat the LCD connectors
Symptoms
LCD assembly
Intermittent problems
Undetermined problems
Specifications
Feature Description
Bluetooth wireless
Status indicators
Indicator Meaning
Orange
Blinking green
Turn off
Blinking orange slow
Blinking green slow
Blinking orange rapid
ThinkPad T400s Hardware Maintenance Manual
Fn key combinations
Key combination Description
Key combination Description
FRU replacement notices
Screw notices
Plastic to plastic
Logic card to plastic
Restoring the serial number of the system unit
Retaining serial numbers
Retaining the Uuid
Reading or writing the ECA information
ThinkPad T400s Hardware Maintenance Manual
Removing and replacing a FRU
Before servicing ThinkPad T400s
Removing the SIM card
Battery pack
Ultrabay Slim Media Bay device or travel bezel
Solid state drive SSD or hard disk drive HDD
Step Screw quantity Color Torque
Removal steps of SSD or HDD
Dimm
Removal steps of Dimm
PCI Express Mini Card for wireless LAN
M2 ⋅ 3 mm, small-head, nylon-coated Silver 167 Nm Kgfcm
When installing
PCI Express Mini Card for wireless WAN
Step Screw quantity Color Torque
Removal steps of PCI Express Mini Card for wireless WAN
Keyboard
Step Screw quantity Color Torque
Removal steps of keyboard
When installing the keyboard, do as follows
Installation steps of keyboard
Backup battery
Wireless USB adapter or Intel Turbo Memory
M2 ⋅ 6 mm, flat-head, nylon-coated Silver 167 Nm Kgfcm
Removal steps of wireless USB adapter or Intel Turbo Memory
Palm rest or palm rest with fingerprint reader
ThinkPad T400s Hardware Maintenance Manual
Bluetooth daughter card BDC-2
Keyboard bezel and speaker assembly
Step Screw quantity Color Torque
Pull the cables out from the cable guide hole
M2 ⋅ 3 mm, small-head, nylon-coated Silver 167 Nm Kgfcm
1130 5-in-1 Media Card Reader adapter
Bluetooth-wireless radio switch FPC
Removal steps of Bluetooth-wireless radio switch FPC
LCD unit
Step Screw cap Screw quantity Color Torque
When installing
Removal steps of LCD unit
Removal steps of LCD unit
System board, fan assembly, and 34-mm ExpressCard slot frame
Important notices for handling the system board
CPU
Step Screw quantity Color Torque
Indicate the removal steps of fan assembly,
When installing
ThinkPad T400s Hardware Maintenance Manual
1170 I/O sub card and base cover assembly
ThinkPad T400s Hardware Maintenance Manual
LCD bezel assembly
Removal steps of LCD bezel assembly
LCD latch L and R
Integrated camera or microphone sub card
Removal steps of integrated camera or microphone sub card
LED sub card
LCD panel
Important notice on handling the LCD panel
Removal steps of LCD panel
Removal steps of LCD panel
LCD cable
Hinge kit
Removal steps of hinge kit
LED cable
Removal steps of LED cable
Antenna kit and LCD rear cover assembly
Removal steps of antenna kit and LCD rear cover assembly
Locations
Front view
Rear view
Bottom view
ThinkPad T400s Hardware Maintenance Manual
Self-service CRUs
Parts list
Optional-service CRUs
Overall
FRU Overall FRU no
CRU
CRU
CRU
CRU
CRU
CRU
CRU
CRU
CRU
LCD FRUs
FRU 14.1-inch WXGA+ TFT FRU no
Language FRU no
Miscellaneous parts
FRU
AC adapters
Power cords
Country or region FRU no
Recovery discs Windows XP Professional recovery DVDs
Language
Windows Vista Starter Edition 32 bit recovery DVDs
English for India 58Y2097
Windows Vista Home Basic 32 bit recovery DVDs
Windows Vista Home Premium 32 bit recovery DVDs
Windows Vista Business 32 bit recovery DVDs
Parts list-Windows Vista Business 32 bit recovery DVDs
Windows Vista Business 64 bit recovery DVDs
Windows Vista Ultimate 32 bit recovery DVDs
Common service tools
Tool
ThinkPad T400s Hardware Maintenance Manual
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Trademarks
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Part Number 45M2271
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