Failure: PSU? Vid Card? or both?

[g1tigi]

Just ran into an odd problem today with my computer.

General symptoms: upon pressing the power button, the system will turn on (HD's spin up, power/HD LEDs light up) and then turn off...and then turn on...and then turn off...etc. I don't think the system POSTed because it didn't seem to be on long enough, nothing showed up on the monitors, and there were no trademark 'beeps', if you will.

An on/off cycle only took about a second or so.

I run a dual monitor setup, and I found that if I unplugged one of the monitors (didn't matter which one, whether it be the one thru DVI or the one thru DVI-->VGA), the system would boot fine. But the moment I tried to boot with a second monitor attached, I'd get the power on/off cycling that isn't exactly very healthy for my HDs.

Once I booted into windows, I found that I couldn't actually turn on the other monitor-->i.e., windows couldn't detect the presence of the second monitor. Odd.

Anyway, I'm still trying to figure out whether this is a PSU-related problem (which was my original guess) or a video card-related problem (which is my current guess).

Specs of my machine are in the sig, plus the following for the PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E16817256001

Any thoughts?

 

[Dangman]

Try the monitor on another PC
Try the graphics card on another PC
Try another PSU with that PC
Make sure that all the necessary power cables are plugged in.

 

[g1tigi]

hm..don't really have another PC at my disposal :/ (I suppose the monitors could be tested on the lappy, but I highly doubt it's the monitors' problem)

4-pin power connector is plugged into the 8800gt as usual.

Not sure exactly what to make of the problem, as I can still play games and/or run 3dmark no problem.

bleh @ random issues.