IBM ThinkPad T40 Hardware Maintenance Manual page 87

For a model with a touch pad, detach the touch pad
connector by pulling the tab with your fingers in the
direction of arrow 4 . Then remove the palm rest in the
direction of arrow 5 . For other models, skip step 4 .
5
When installing: On a model with a touch pad, make
4
sure that connector 4 is firmly
attached.
Removing and replacing a FRU
ThinkPad T40 Series
83