Hey guys, need help

Asus Geforce 256 AGP V6600 Deluxe Video card on an Asus K7V Slot A Athlon system, keeps crashing. I have an identical system at home for myself and I have no problems..

This system has one difference, a 3com 56k modem (as i have a NIC cause im on high speed dsl) The Detonator drivers work fine, but as soon as retail drivers are installed it crashes during game play. Any Suggestions??? Im stumpted

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