HP 6720s Maintenance And Service Manual page 63

Remove the display panel (2).
12.
Remove the four Phillips PM2.0×4.0 screws (1) that secure each display hinge to the display
13.
panel.
Remove the display hinges (2). The left and right display hinges are available using spare part
14.
number 456806-001.
Reverse this procedure to reassemble and install the display assembly.
Component replacement procedures 55