i am running windows vista x64 and i accidently installed the nvidia driver upate for nForce 430/410 serial ata controller and now when i shut down the comp and reboot the sata HD wont show up in bios preventing it to boot. i ahve to open my case unplug the sata cable from mobo/hd then reboot shut down..then plug sata back in and then reboot change hd priority in bios ..then save then reboot ..i think its this update causing this....