I was watchin tv and then the tv just went to a blank screen like the box turned off, but the green light is still on, so I tried 2 turn the box off, but it wont turn off...(like its frozen or something)... so I unplugged it for a while then plugged it back up, and it wouldnt turn on!! so I left it plugged up for a while and the green light came back on... but its still not workin and it wont turn back off!! the batteries in the remote are fine the green light flashes when I press the channel button but like I said its like its not hooked to the tv!! but it deff. is!!! IDK what 2 do...ive tried everything!!... please help!!!