HP ProDesk 400 G3 MT Business PC HP ProDesk 480 G3 MT Business PC HP ProDesk 490 G3 MT Business PC - Maintenance and Service Guide

6. From the front of the computer, remove the Torx T15 screw that secures the assembly to the chassis.
7. Rotate the left side of the assembly away from the chassis, and then pull the assembly away from the
chassis while threading the cables through the hole in the front of the chassis.
To reinstall the assembly, reverse the removal procedure.
Front I/O assembly 53