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Strange symptoms... video card dying?

A

Alphathree33

Platinum Member
I bought this video card a year or two ago.

Lately, more and more frequently, I'll be using the computer and I'll see lines and distortions appearing on my monitor, followed by a complete loss of the video signal.

(The "no signal" message on the monitor appears crisp and clear, so it's not a monitor problem.)

Upon rebooting, everything works fine... for a while.

But now, when I reboot, I get a BSOD with a MACHINE_CHECK_ERROR... and I can't get past the windows loading screen at all.

I should note that I've been a bad boy with this video card... I never really properly secured it with a screw (case/motherboard issues), so it sits rather loosely. Sometimes, it comes loose. Maybe I somehow damaged the card.

But this behaviour didn't start after an episode of disloging the video card... it just started randomly.

System specs:

Athlon 3200+
1 GB RAM
GeForce 6600
Windows Vista

(p.s. these issues also did not coincide with my installation of Vista... everything was working fine with Vista.)
 
P.P.S. I have also tried simple things like taking the video card out and re-securing it, making sure the onboard fan is dust-free and spinning, and so on.
 
Can you try and swap if for another video card (spare, office card, friend's card) and see if you can boot or get any of the errors?
 
Sounds like an overheating issue. What are the temps in the Nvidia control panel looking like for the GPU? You've reseated it you said, so it should be nice and snug. You can check the cable to the monitor for kinks or damage. Swapping in another card would tell you if it's a problem with the card itself. If the problem persists with the new card, it could be a problem with the slot on the motherboard. It could also be a power issue if your 6600 requires a secondary power connection like my 6600GT did. The video card had to be plugged into a 4 pin molex for extra juice. If your power supply isn't providing enough power anymore you could start seeing problems as well. Check the voltage on the rails in your bios the next time it starts flaking out on you.
 
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