HP 6520s - Notebook PC Maintenance And Service Manual page 62

Remove the two Torx T8M2.5×7.0 screws that secure the display assembly to the computer.
2.
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.
54 Chapter 4 Removal and replacement procedures