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Windows 7: KA-Blam goes my graphics card. Bye bye PSU.

02 Jun 2012   #11

Windows 7 Ultimate x64 SP1

Quote   Quote: Originally Posted by TanyaC View Post
Ok, here's the low down;

The problem was caused by the power supply blowing. According to technicians it "blew a cap". The safety features in the power supply were sufficient to protect the other components. They said it appears to have dropped power instantly when the PSU blew, and did not drop any voltage or current spike on the 12V or 5v rails.

Good news.

All other components survived the "explosion", including the graphics card, which ScorpTec tested for 20 minutes. We also found that the card was running in the high 80s when running DOTA, hence why it was too hot to touch.

This despite the fact that the case has good airflow and 7 fans. But we added a spot cooler near the graphics card anyway.

Interestingly, the other son who has an identical system, his card runs in the high 60s to low 70s when running the same game.

I bought a corsair TX-750M modular power supply. This one has all the same safety features, and a 7 year warranty.

In all my years of building/repairing systems I've never actually seen a PSU explode. What fun

As far as the graphics card goes; it is only a 3 year warranty. They were pretty good about replacing the other one which was definately faulty. We will install precision and keep our eye on things.

thanks for the tips and suggestions.

I didn't know that the FPS was tied to the monitor's refresh rate. Will check that out.
glad it's sorted Tanya, I had a similar incident with my motherboard, the caps popped because the southbridge was at about 110c, scary moment when you hear it go like that, but it's all good now.

My System SpecsSystem Spec
02 Jun 2012   #12

Windows 7 Home Premium x64 SP1

Quote   Quote: Originally Posted by TanyaC View Post
That's real good news! Happy ending. :)
My System SpecsSystem Spec
04 Jun 2012   #13

Windows 10 Pro/ Windows 10 Pro Insider

I'm glad it worked out well for you and your choice of the PSU is an excellent choice. I also echo the others who advocate EVGA's Precision X. It will also let you customize a fan profile that will keep the card cool. Most monitors have a refresh rate of 60HZ, meaning it is only capable of actually showing 60 FPS. Anything the card puts out over that is wasted because the monitor can't handle it. I believe that is the short version as I understand it.
My System SpecsSystem Spec


 KA-Blam goes my graphics card. Bye bye PSU.

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