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zc2Flag for United States of America

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Video card hangs the X11

I have a PC with Core 2 Duo CPU and a PCIe EVGA nVidia 7600GT video. Two OSes are installed: Windows XP and Debian GNU/Linux v6. Mostly I work in the Linux. Couple days ago it started to hangs up for about 15 seconds every couple minutes. Apparently, only the X11 hangs up, because I still can hear my music being playing while the UI is locked up.
It seems something wrong with the video card... According to the nvidia-settings utility, the GPU temperature rises from 49C to 51C and I can hear the GPU fan is spinning faster.
I tried to reboot to Windows XP, and everything worked fine even under heavy OpenGL loading. Tried to install the newest nVidia drivers, but that did not help.

Any thoughts?
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joinaunion
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Sounds like a power issue to me.

Whats the wattage on the power supply for the computer?
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ASKER

It's 450W. If it's a hardware issue why Windows works fine?.. I
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ASKER

Tried to boot from a liveCD, works fine. Then I changed the xorg.conf, instead of the "nvidia" driver I put the generic one "nv". No lock ups yet. But now only one of my two monitors is operating. So, that's not a solution.
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zc2
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So it was a power issue?
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ASKER

Let's define the "power issue".
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Well, makes sense.
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My comment contains the explanation what exactly happened.