You must firstly ensure the consoles connections to the power outlet and TV. Do you know that you must at all times plug your game into a surge protector to keep it safe? Did you know that power rise can harm the PlayStation 3 and be the source of this problem in some cases?. After you’ve verified the connections switch off the unit manually via the onboard switch in the backside, disengage all cables, and then remove the hard drive.You must check after 10 minutes,  reattach the cables, hit the switch, and see if this solves your problem. As a ps3 player, you must know what happens when ps3 beeps 3 times.. Are you aware how to fix ps3 beeping?