is it an open gl problems?

Hi, i have a very strange problems with
a 3d display
everytime i want to display 3d on my computer in any form if its a game 3dapplication or even nVIDIA 3d test
i see it displayed very bad alot of artifacts jumping from every 3dobject and just flickered n a very ugly way ,all this
happen for a short time and them my computer freeze and i have to reboot ,my video card is ok i installed it on other computer and everything worked fine got all the latest dirver for every thing that might related
now ,bottom line i think its a problem with the agp slot ,but im not sure check this link for a picture–> ,thnks in advance