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      Palm rest or palm rest with fingerprint reader removal and installation - ThinkPad R400, T400

      For access, remove these FRUs in order:

      1. Battery.


      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 71480_icon1.gif M2 × 14 mm, flat-head, nylon-coated (4) Black 0.167 Nm(1.7 kgfcm)

      For R400
      Step Icon Screw (quantity) Color Torque
      1 71480_icon2.gif M2 × 17 mm, flat-head, nylon-coated (4) Black 0.167 Nm(1.7 kgfcm)

      Step 2

      Step 3


      When installing: When you attach the palm rest, do as follows:

      1. Attach the touch pad connector firmly to the system board.
      2. Press the left and right top edges of the palm rest to fit it into place.
      3. Push the front side of the palm rest until it clicks into place.
      4. Close the LCD cover and turn the computer over. Then fasten the four screws to secure the palm rest.

      Step 2

      Step 3

      Purchase parts online


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      • Alias ID: MIGR-71480
      • Document ID: PD009472
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo