1). Go into your BIOS and check the settings for AGP: Bus Speed, Voltage and caching. Ensure your BIOS settings meet the requirements of the Radeon 9700 Pro, also ensuring it is a AGP3.0 compatiable card you are using, not an AGP2.0 variant.
2). For VIA chipset motherboards, download and install the latest VIA 4 in 1 driver suite. Do a 'custom' install and ensure you install the AGPGart driver and selecting 'install turbo' if appropriate to your hardware.
3). Uninstall 'ANY' VGA tweaking utilities from add/remove programs and if required the registry.
4). Uninstall and then re-install the latest catalyst driver suite.
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