
7-4 Adding Options
REMOVING AND REPLACING THE SYSTEM UNIT COVER
Use the following procedures to remove and replace the
system unit cover.
CAUTION: Electrostatic discharge can damage
computer components. Discharge static electricity
before you remove the system unit cover.
Remove the system unit cover as follows.
WARNING: Before you remove the system unit
cover,
turn off all system power and disconnect the
system and its peripherals from their power sources.
1.
Turn off and unplug the system unit and monitor.
2.
Disconnect the keyboard and mouse from the rear of the
system.
3.
Unplug any external options (such as a printer)
connected to the rear of the system unit.
4.
If necessary, unlock the cover with the key shipped with
your system.