Please help me.I was playing gow collection for about 1 hour.I went to xmb and left it there.Then I turned on my pc and in the same moment when I turned my pc on the ps3 turned of with 3 beeps.Then I was looking at it and wondering wtf?When I try to turn it on it turns on stays turned for 1 second and it turns it self of with 3 beeps but with no yellow lights or red lights.Wtf???None of my friends has a fat model so I cant try out psu but Im pretty much serious that the ps3 psu is gone,atleast Im hoping.What do you think,I dont want to order a new psu if thats not the issue.

I went to repair shop and it turns out that its not the psu.Its the motherboard.Now I bought 160gb slim.