(Possible) PSU Issue

nugundam142

Distinguished
Feb 19, 2006
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18,510
Hi guys,
I built my own PC a little over a year ago--very basic specs (S939 AMD 3200+ w/ stock cooling, 1GB ValueRAM, ASUS A8N-VM CSM mobo), and it was working fine up until last month, when the PSU (which was the standard 420W PSU that came with the XION case I bought), began to make clicking noises. Last week, the problem got worse, and now my computer intermittently shuts itself down. Now, I have two questions: first--is this, as I suspect, a problem with my power supply? If so, what could have caused it?

Any help would be greatly appreciated!