2. Open the computer.
The Mini Tower G3 has two green colored locking levers. Pull the levers up and out to release the chassis, then open the chassis by pulling up the big brown handle.
Pull the
On the Desktop G3, pull the card cage plastic cover up to reveal the PCI slots. (Not shown.)
Use the handle to carefully open the chassis
Unlock the top chassis by pulling the two green locking levers upward and outward
MINI TOWER G3
Pull logic board
tray out until it stops
4