HP 520 Maintenance And Service Manual page 50

Use a flat-bladed tool to gently pry the tabs on the switch cover out of the slots on the computer.
4.
Turn the computer display-side up, with the front toward you.
5.
Open the computer as far as possible.
6.
Lift the rear edge of the switch cover and swing it forward.
7.
Remove the switch cover.
8.
Reverse this procedure to install the switch cover.
42 Chapter 4 Removal and replacement procedures