I've just recent finished assembling a new system and am having problems after loading the video card drivers. The system functions normally using the VGA drivers, but as soon as the video card drivers are installed and the system rebooted, the system will "crash" right after the XP splash screen. Just as the system appears to be going to the windows desktop, the signal to the monitor seems to drop out. Reseting the system and starting up in safe mode will allow me to get back into the system and uninstall the drivers, as which point the system operates normally back in VGA mode again. I've tried the system on two different monitors (19" CRT and 15" LCD) with identical results.
The system is running an Asus A8V motherboard with the lastest BIOs and a Asus V9999 (nvidia 6800) video card. I've tried multiple versions of the Asus enhanced video card drivers as well as the latest Nvidia forceware drivers. The system is running 1gig of dual channel memory which I test with the memory test application mentioned else where on the web site with no failure observed. Additionally, the system has a 500W power supply, so I don't think that power is an issue.
Attempts to adjust the screen resolution and refresh rate after driver installation has not worked as the system requires reboot after driver installed before any changes to the settings can be made, but the system hangs during the reboot. Getting back into the system in safe mode reverts the drivers to the VGA drivers so no chages to the refresh rate can be made (hardware defaults only)
If anyone can provide any help, it would be greatly appreciated. I'm at my wit's end here.