Maintenance & Service Guide HP Elite 7300 and 7500 Microtower, HP Pro 3300 and 3305 Microtower and HP Pro 3300 Small Form Factor

6. Remove the screw (1) that secures the housing to the chassis, and then slide the housing up (2).
7. Rotate the top of the assembly outward (1), and then pull the assembly away from the chassis
(2) while guiding the cables through the hole in the chassis.
To install the housing assembly, reverse the removal procedures.
Note that the red connector and the small white connector is not used.
Front I/O and USB Panel Housing Assembly 85