try different methods of installing the drivers.if windows does not do it automatically,then cancel the auto driver install in windows and install directly from the driver disc you got with it.then re-boot system.that should work.or try the manufacturers website and download the latest drivers for your operating system.
EVGA NF4 SLI READY MB
2X1GIG DDR400 IN DC MODE(128BIT)
2 7800GT'S IN SLI MODE
WD300GIG HD @ 7200RPM
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