The following article is a guide to create profiles for the installed video card to optimize it for different applications, namely working on the desktop and gaming. The problem with running a video card in Windows is that the video card will always use the same clock and fan speeds no matter if it is [...]

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Modern video cards come in two flavors. The noisy ones that have lots of horsepower and the silent ones that trade some of the horsepower for a reduced noise level. This is currently changing with the release of the Nvidia Geforce 8600GT but most users have an older video card in their computer.

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Speedfan has been released in a new version yesterday which added support for many new technologies such as full Vista 64 bit support. The basic functionality could be described the following way. Speedfan monitors temperature levels of core system units such as cpu and hard drives and puts out warnings if they do reach a critical level.

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RivaTuner is a freeware tweak utility for NVIDIA and ATI based video cards. I have been using RivaTuner for a while to reduce the fan speed of my video card to decrease the noise level. I configured it to decrease the fan speed to 25% in 2D mode which includes all applications such as word processing and internet surfing. This is the lowest setting that is possible and it did reduce the fan speed so that the video card is almost silent.

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This trick might actually work with more cards than just my Nvidia Geforce 6600 GT card manufactured by MSI. The default fan noise is so irritating that I was looking for ways to either turn it down by software, bios upgrades or replacing the fan. I preferred the software method over flashing the bios over buying a new fan that could replace the old one. After consulting google with searchtearms like geforce 6600 fan speed, reduce fan speed geforce and similar strings I finally found a forum entry that was about the problem I faced.

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