Dell Vostro 3520 Service Manual page 69

Steps
NOTE: Before removing the display hinge caps, open the display hinges to 90 degrees.
1. Pinch the left hinge cap in the center.
2. Using a plastic scribe pry the inner side of the left hinge cap and remove it from the left hinge.
3. Pinch the right hinge cap in the center.
4. Using a plastic scribe pry the inner side of the right hinge cap and remove it from the right hinge.
Removing and installing components 69