Dell Inspiron 16 Plus 7640 Owner's Manual page 87

If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image(s) indicate the location of the touchpad and provides a visual representation of the installation procedure.
Figure 61. Installing the touchpad
Steps
1. Place the touchpad onto the palm-rest and keyboard assembly.
2. Place the touchpad bracket onto the touchpad and align the screw holes on the touchpad bracket to the screw holes on the
palm-rest and keyboard assembly.
3. Replace the five screws (M2x2.5) and four screws (M2x1.8) that secure the touchpad bracket to the palm-rest and
keyboard assembly.
4. Adhere the adhesive tapes that secure the down-firing speaker cables to the touchpad and touchpad bracket.
5. Place the touchpad cable on the palm-rest and keyboard assembly.
6. Connect the touchpad cable to its connector on the touchpad and close the latch.
7. Connect the touchpad cable to its connector (TP1) on the system board and close the latch.
Next steps
1. Install the battery.
Removing and installing Field Replaceable Units (FRUs) 87