this is probably the stupidest thing i have ever done:
i tried to upgrade my xbox harddrive, i opened up the xbox disconnected the xbox harddrive and the dvd rom but half way through i had a change of mind and put back everything back to its original self. but when i turned on the xbox , it bleeped three time turning on and off and it just want blank and the dvdrom wont open.
somebody help me please.