Opening and Closing the Cabinet
The procedure for opening the main system unit cabient is as follows:
Unplug the video monitor AC power and signal cables from their rear panel sockets. Set the monitor safely aside.
Unplug the keyboard and set it aside.
Unscrew the screws on the rear panel of the unit and set them aside.
Carefully, slide the main system unit’s cover towards the front of the unit. Continue sliding the cover forward until it can be removed completely. Set the cover aside.
Figure