System Board; Removing The System Board - Dell Inspiron 15 3520 Service Manual

Steps
1. Place the touchpad into its slot on the palm-rest and keyboard assembly.
2. Align the screw holes on the touchpad to the screw holes on the palm-rest and keyboard assembly.
3. Replace the two (M2x2) screws that secure the touchpad to the palm-rest and keyboard assembly.
4. Connect the touchpad Flexible Flat cable to the connector on the system board and close the latch.
5. Place the touchpad bracket on the touchpad.
6. Align the screw holes on the touchpad bracket to the screw holes on the palm-rest and keyboard assembly.
7. Replace the three (M2x2) screws that secure the touchpad bracket to the palm-rest and keyboard assembly.
8. Connect the hard drive cable to the connector on the system board.
Next steps
1. Install the 3-cell battery
2. Install the base cover.
3. Install the SD card.
4. Follow the procedure in

System board

Removing the system board

Prerequisites
1. Follow the procedure in
2. Remove the SD card.
or 4-cell battery (whichever applicable).
After working inside your
Before working inside your
computer.
computer.
Removing and installing components 85