Dell P46E Service Manual page 72

Steps
1. Slide and insert the touchpad into the slot on the palm-rest and keyboard assembly.
NOTE: Slide the touchpad under the clips so that it is seated firmly in place.
2. Align the screw holes on the touchpad with the screw holes on the palm-rest and keyboard assembly.
3. Replace the two screws (M2x2) that secure the touchpad to the palm-rest and keyboard assembly.
4. Connect the touchpad cable to the system board and close the latch to secure the touchpad cable.
5. Connect the touchpad cable to the touchpad board and close the latch to secure the cable.
6. Align the screw holes on the touchpad bracket with the screw holes on the palm-rest and keyboard assembly.
7. Replace the three screws (M2x4) that secure the touchpad and the touchpad bracket to the palm-rest and keyboard assembly.
Next steps
1. Install the 3-cell battery
2. Install the base cover.
3. Follow the procedure in
72 Removing and installing components
or the 6-cell battery.
After working inside your computer.