How to disable the onboard video in the Asrock K8Upgrade-VM800. I have a ATI RADEON 9600XT All In Wonder Graphics card that just woun't work, I believe is something in BIOS, but what??? I disabled it from device manager, restarted & switched over to the agp card, but no display, but I get a display when connected to onboard video. So I disabled a S3 overlay display 'thingy', and i see xp loading but black screen when I supposed to see welcome screen. I went to BIOS & saw that primary display is set to agp, but the card doesn't work. I also tried a geforce fx5200 on the agp slot........but it don't work. So i had to settle for a geforce 4 mx440 PCI card. When booting i usually see the POST & then XP loading but now the monitor only comes on when the welcome screen appears & I can't boot into the BIOS I have some serious problems PLEASE HELP! This is a friends system, it's no longer in my posession but he is using my old geforce 4 card. The agp slot is 1.5v & had a warning sign to don't connect 3.3v cards, but I don't know what is the card's voltage I know i am getting good post (1beep) but i cant see it until welcome screen. And I can't get into the bios again. WHY???? When I keep hitting F2 i get one beep but cant see anything even wnen connected to PCI card...........HELP!!!