error localisation

[Niels Pedersen]

Hi

Today I was browsing on my computer, suddenly the power cut out from it, and afterwards there was a wierd sound from the fans inside the computer..

I opened the case and found out, that my gfx cards fans system were turning on and off, my CPU fan was running in a slow pace.

I took out the graphics cards but nothing happened. (my monitor wasn't showing anything when they're were plugged in either.

Is it the PSU failing?

My specs are:
Corsair 750w (1y)
Ati Hd4670 (1y)
ati hd4670 (½y)
WD "green" hdd (½y)
Seagate something (1y)
AMD athlon II x4 (½y)