hey guys ty for the help in advanced. i just built my first rig. i bought a sound blaster xfi extreme gamer and hooked it up to a evga x58 3way sli. i had problems with it from start. wouldnt recognize it.. when it did after a boot up made my system very unstable. would freeze on me and id have to reboot. brand new system i check everyrhting. all my other hardware is fine. card doesnt seem defective cuz it works..just seems to be a compability problem and i have tried the new drivers and deleted the old ones before i installed the new ones. win 7 system os by the way. if anyone can help ty.