![background image](http://html.mh-extra.com/html/nec/direction-l-service/direction-l-service_manual_248502063.webp)
5-4 Installing Options
NOTE
It is recommended that you place the
minitower model on its side with the base over the
edge of a table to remove/replace the access cover
and add options. In this position, the following
figures apply to the minitower as well as the
desktop.
Removing the Access Cover
The following procedure describes how to remove the
system access cover.
1.
Turn off the computer.
2.
Disconnect the keyboard, mouse, monitor, and any other
external options (such as a printer) from the rear of the
computer.
Label all cables to make reinstallation easier.
!
CAUTION
Electrostatic discharge can damage computer
components. Discharge static electricity by touching
a metal object before removing the system access
cover.