Acer 6800 - Manual (Page 60)

5 Upgrading your computer 52
Opening your Veriton 6800/7800
Caution! Before you proceed, make sure that you have turned off
your computer and all peripherals connected to it. Read the
"Preinstallation instructions" on page 49.
You need to open your computer before you can install additional components.
See the following section for instructions:
To remove the side panel
1 Turn off your computer and unplug all cables.
2 Place your computer on a flat, steady surface.
3 Turn the screws counterclockwise with your fingers to release the cover.
4 Hold right panel (from rear view) with both hands. Slide it back about an
inch and then gently pull it outward to detach it.
Veriton 6800