Gateway 7210 System Manual page 87

9
Using the handle at the bottom of the board support tray, pull the back
edge of the system board (the edge against the back panel) out of the
chassis.
10
Remove the system board from the support tray by removing the seven
screws and snapping it off of the two snap-on standoffs, then place the
board in an anti-static bag or container.
11
Install the replacement system board on the tray.
80
Replacing and Adding Internal Devices