Q: It's running just like it normally would - no blinking red lights or anything unusual. The problem is the screen is blank. I've tried different TVs as well as different AV Cables. I've made sure the plug is correctly connected and that XBOX is on regular TV and not HD. Any ideas to help besides sending it in for repairs.
A: I have had this before, unplug the power and av connectors from the xbox, wait 10 seconds for the power to die then plug the power in only, leave the av unplugged, switch the xbox on, this will give the one red light hardware error. switch off the xbox again and unplug the power lead and wait 10 seconds, now plug both leads in and switch your Xbox on, everything should now work!