HP 6720s Maintenance And Service Manual page 72

Remove the following screws:
3.
(1) One Phillips PM2.0×6.0 screw
(2) Two Torx T8M2.0×4.0 screws
(3) One Torx T8M2.5×4.0 screw
Flex the left side of the base enclosure (1) until the external monitor connector (2) is clear of the
4.
opening in the base enclosure.
Lift the rear edge of the system board (3) until it rests at an angle.
5.
Remove the system board (4) from the base enclosure by sliding it back.
6.
64 Chapter 4 Removal and replacement procedures