Lenovo 7417P9U - Tp T400 C2d/2.4 14.1 2Gb 160Gb Dvdr Wls 6C Wvb Service Manual page 61

11. Reinstall the palm rest.
a. If your model has a touch pad or a fingerprint reader, attach the
connector of the palm rest cable.
b. Press the left and right top edges of the palm rest to fit it into place.
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Chapter 5. Upgrading and replacing devices