I have tried my G400 on Win2k 2128 pro and adv server,2195 time-bombed and Win2k retail both pro and adv server version. PD can seldom bring me problems. And if you install the first beta ver. of powerdesk you can find it has been certificated by Microsoft. You can try to upgrade to retail version to see if can resolve this problem. Or you can try reinstall Win2k again, let Windows find your hardware again. Try and please report your results, I'll happy to discuss with you !

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MURC