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Keyboard removal and installation - ThinkPad R400, T400
For access, remove these FRUs, in order:
  1. Battery.
  2. Palm rest or palm rest with fingerprint reader.


In models with the fingerprint reader, the sensor is attached to the palm rest FRU. If the fingerprint reader has any defects, you can replace it by the procedures given in this section, which are the same for a palm rest with or without a fingerprint reader.

Step 1

For T400
Step Icon Screw (quantity) Color Torque
1 71260_icon.gif M2 × 14 mm, flat-head, nylon-coated (1) Black 0.167 Nm(1.7 kgfcm)

For R400
Step Icon Screw (quantity) Color Torque
1 71260_icon.gif M2 × 17 mm, flat-head, nylon-coated (1) Black 0.167 Nm(1.7 kgfcm)

Lift the keyboard a little in the direction shown by arrow (2), and then detach the connector (3).

Step 2-3

When installing: Make sure that the keyboard edges (a) are under the frame as shown in this figure.

Step a

Purchase parts online

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : PD013799
Legacy Document ID : MIGR-71485
Last Updated :
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