hi. i have this problem with my geforce 7800 GS OC , everytime i play games such as half life 2 or fear i get this bad glitches in the game. i dont know what is wrong. i downloaded the latest driver 93.71 version for windows xp,
packard bell 5109
pentium 4 1.9ghz
570W powersupply (400w minimum) for geforce 7800
Looks like it could be the video card failing. I recommend you contact BFG to discuss possible RMA. You might want to also try a different application to see if it happen only in that game or all. Also try using Ntune and under clock the video card 5-10MHz at a time and see if that helps. If so then you can almost certainly bet its the video card.
yeh the fan is still spinning..it sometimes spins loud. and then quietly is that normal? when i restart my computer and play any game it works fine then after like 30mins later it starts to glitch... still not sure what is wrong, i only had that graphic card for like 4 weeks only.. on just got it.. >.< isit to do with my motherbaord maybe? or mayb it needs some fans blowing inside my pc? >.<