intel dp45sg usb problems

[labrat]

intel dp45sg with 2.66 core2 quad, 8mb men. ati hd 4670 1 gig vid. card

can't run a webcam, software installs ok but video is awfull, unrecognizable.
Have talked with video cam nanufacturer & there lost. tried 3 web cams all do the same. anyone else had or figured out this problem? I asume this is a usb problem.

[Quantos]

What form factor is the webcam? 
What manufacturer?
What OS and service pack are you running?

[labrat]

Small & mid quality, lgitech, xp pro 64 bit

[Quantos]

I meant is it USB?

[labrat]

"I asume this is a usb problem."

[Quantos]

I'm not sure where you're getting that quote from.

I will assume that you have uninstalled the old drivers, then rebooted and tried to reinstall them?