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Old 07-06-07, 07:49 AM   #2
Join Date: Jul 2002
Location: Netherlands, Europe
Posts: 2,105
Default Re: Fast GPU temperature increase in OpenGL

The temperature increase is normal. In 2D mode a card general runs at lower clockspeeds, voltages and fanspeeds. Further big parts of the gpu are unused, so when you move to 3D the GPU will become a lot hotter.

The cause of squeky noise coming from your loudspeakers is likely related to your powersupply. A videocard consumes a lot of power (~100W) and drains the PSU a lot. The 'quality' of the current it creates can decrease in case of a cheap PSU (the current becomes less stable). Soundcards can be sensitive to this.
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