To Remove the Side Panel
Removing the side cover
Shut down your computer, and turn off all peripheral devices, such as your printer.
Unplug your computer and any peripheral devices.
Locate the tab on the upper right side of the rear panel, and pull it back until the side cover releases.
Lift the side cover away from the unit and set aside.
Rem ov ing the side cov er
If you remove the side cover immediately after you shut down your computer, the components may be too hot
to touch. Wait until the internal parts of the system unit cool down before you attempt to remove the side cover.