Installing The Touchpad - Dell Inspiron 7400 Service Manual

Steps
1. Open the latch and disconnect the the touchpad cable from the system board.
2. Remove the three screws (M2x2) that secure the touchpad bracket to the palm-rest and keyboard assembly.
3. Lift the touchpad bracket off the touchpad.
4. Remove the two screws (M2x2) that secure the touchpad to the palm-rest and keyboard assembly.
5. Peel the tapes that secure the touchpad to the palm-rest and keyboard assembly.
6. Lift the touchpad off the palm-rest and keyboard assembly.

Installing the touchpad

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following images indicate the location of the touchpad and provides a visual representation of the installation procedure.
Steps
1. Place the touchpad into its slot on the palm-rest and keyboard assembly.
NOTE: Turn the computer over and open the display to ensure that the touchpad is equally aligned on all sides.
2. Align the screw holes on the touchpad to the screw holes on the palm-rest and keyboard assembly.
3. Turn the computer over and open the display to ensure that the touchpad is equally aligned on all sides.
4. Close the display and place the computer in the position shown.
5. Replace the two screws (M2x3) that secure the touchpad to the palm-rest and keyboard assembly.
6. Adhere the tapes that secure the touchpad to the palm-rest and keyboard assembly.
7. Place the touchpad bracket on the touchpad.
8. Align the screw holes on the touchpad bracket to the screw holes on the palm-rest and keyboard assembly.
9. Replace the three screws (M2x3) that secure the touchpad bracket to the palm-rest and keyboard assembly.
10. Connect the touchpad cable to the touchpad and close the latch.
48 Removing and installing components