I just started having the same problem! Just randomly! Was not happening last night from what i can remember... I have also tried restoring, updateing drivers, and restarting.
No overclocking everything stock.
MSi X58 pro mother board
6gb DDR3 Tripple channel
EVGA Geforce 9800 gtx+ 512mb
22" LG LCD, and 32" Haier HDTV dual monitors
Windows 7 Professional 64bit