plug the USB drive into any one of the three USB ports.
hold down all four gamepad keys (on the right side of the screen, above the power button). be sure to get all four.
while still holding the four gamepad keys, push the power button to turn the XO on. You may need your other hand to do this.
Let go the power button or the XO will turn off again
keep holding down the four gamepad keys until the message "Release the game key to continue" appears on the screen. This will happen fairly quickly, a couple seconds at most. what if I don't get that message
Release the gamepad keys.
If you see a grid of black and other colored boxes on your screen, congratulations!
Your XO is reflashing.
Just sit back and let it do its thing.
It will take about 10 minutes
your XO will automatically reboot when it is done.
Your XO may reboot twice, playing the little XO tune both times.
it will reboot automatically and ask you for a name, as if it were brand new.