Hello a friend of mine have an xbox slim and now its a dead ! he called his friend and he bring him his xbox slim too and when he pluged the xbox of his friend it's end up dying too. He bring them to me to check them and i try a different ps and no luck ! i try to replace the rf board and no luck too ! I had a bad slim with red dot and i used his power supply and it ended up too . No sound , no light nothing ! The problem was this ps that is putting to death these console ! The one that was with red dot i don't even tried to power it on as i see the orange light of the ps blinking down but still the red dot now is with no sign of power ! so there is no usb short ! sorry for my english hope someone can help me fix this