HP Compaq 6520s Maintenance And Service Manual page 58

Turn the computer right-side up, with the front toward you.
3.
Open the computer as far as possible.
4.
Disconnect the display panel cables (1) and (2) from the system board.
5.
Remove the wireless antenna cables (3) from the clips and routing channels built into the top cover.
6.
Remove the two T8M2.5×7.0 screws (1) that secure the display assembly to the computer.
7.
Lift the display assembly (2) straight up and remove it.
8.
50 Chapter 4 Removal and replacement procedures