You must to begin with try the systems connections to the power outlet and TV. Make certain you always plug your gaming console into a rush protector to keep it secure. Take care as power rush can harm the PlayStation 3 and be the cause of this trouble in some cases.. Next you verify the links switch off the console manually via the onboard switch in the backside, cut off all cables, and then take away the hard drive.Wait for 10 minutes then  reattach the cables, hit the switch, and see if this solves your problem. Are you sure you know what occurs when ps3 beeps 3 times? Learn to  repair ps3 yellow light of death