Dell G3 15 Service Manual

Procedure

NOTE: Ensure that the touchpad is aligned with the guides available on the palm-rest and keyboard assembly, and the gap on either sides of the touchpad is equal.

Slide and place the touchpad into the slot on the palm rest and keyboard assembly.
Replace the four screws (M2x2) that secure the touchpad to the palm rest and keyboard assembly.
Adhere the tape that secures the touchpad to the palm rest and keyboard assembly.
Slide the touchpad cable into the connector on the system board and close the latch.