Dell Vostro 2520 (Mid 2012) - Manual (Page 16)

6. Remove the screws that secure the palmrest to the computer.
7. Starting from the left pry up the palmrest and remove it from the computer.
Installing the Palmrest
1. Insert the palmrest towards the display screen at a 30–degree angle.
2. Align and adjust the palmrest into position before pressing it down.
3. Connect the power board cable and touchpad cable to their respective connectors.
4. Tighten the screws that secure the palmrest to the computer.
5. Flip the computer and install the screws that secure the bottom base.
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