new problem, maybe someone can help...

[N0de]

While I was having the problems with graphics in UT3 I noticed my graphics card temps hit 100*c under a load from wow... That seamed a bit high, really high to me. However it ran bad but still worked. I shut down my pc later on that day and rerouted some wires to free up some air in the case(Antec sonata). When I went to turn on the pc there was nothing but a noise that sounded like a TV on mute then a burning smell followed soon after. I thought I had fried the psu so I swapped it out for a little 300watt unit and the mobo still didn't power up but had the same sound.

After some digging I figured the original PSU was bad but everything else should be ok. So I picked up a 500watt psu thinking it would be enough and installed it. Still no boot, so I reset the cmos and it booted.

Heres the problem, I have power to my usb ports(front and back) but no data transfer. My mx518 lights up but then I can't move the mouse with it. My keyboard only works if I plug it into the PS/2 port but won't work with the USB port.

Any ideas?

Thanks