1 Remove the two feet.
2 Remove the two aluminium plates by sliding the about half an inch to the bottom side of the MC200.
3 Check trough the holes of the cabinet to see on which side the PCB is mounted.
4 Remove the Torx bolts of the metal plate on which the PCB is not mounted on.
5 Remove the plate carefully, the HDD is mounted on it. Unplug it if needed.

Some Meridian...