gta online down?

wat video card u recommend leh?
occasionally i see black boxes or pixelated boxes during gameplay, anyone have any idea what causes this?
i always encounter gta v like hang. then a while later i ctrl + alt + delete then see taskbar there say my nvidia driver has recovered. i set my gpu fan to the max speed but also like this lei. anyone know why ah? using asus gtx 660ti 2gb