i formatted my c drive and reloaded win xp ap2 on it. i downloaded the graphics card and the sound card . i hv installed everything else but the whenever i try to install the sound card driver , there is an error message which says that “Device object not present.” my desktop board is intel D845GLAD. i dnt hv the mother board cd. do i need to download anything for my desktop board, will the sound card (sigma tel ac97)load after that.