Touchpad; Removing The Touchpad - Dell Inspiron 15 3521 Service Manual

About this task
NOTE: If either the system board or the system board thermal plate is replaced, use the thermal grease provided in the kit
to ensure that thermal conductivity is achieved.
The following image indicates the location of the system board thermal plate and provides a visual representation of the
installation procedure.
Steps
1. Place the system board thermal plate on the palm-rest and keyboard assembly.
2. Align the screw holes on the system board thermal plate to the screw holes on the palm-rest and keyboard assembly.
3. Replace the two screws (M2x5) and four screws (M2x3) to secure the system board thermal plate to the system board.
NOTE: Tighten the four screws (M2x3) in the sequential order mentioned on the system board thermal plate [1 > 2 > 3
> 4].
Next steps
1. Install the base cover.
2. Install the secure digital
3. Follow the procedure in

Touchpad

Removing the touchpad

Prerequisites
1. Follow the procedure in
2. Remove the secure digital
3. Remove the base cover.
4. Remove the 3-cell battery
About this task
The following images indicate the location of the touchpad and provide a visual representation of the removal procedure.
card.
After working inside your
Before working inside your
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or the 4-cell battery, whichever applicable .
computer.
computer.
Removing and installing components 39