Jj. To by mohlo byt ono. Jen doplnim, ze je to v CCC volba "Wait for vertical refresh", posuvnik na "Performance".
BTW: jedna-li se o Athlon X2, mohlo by pomoci nainstalovani AMD Dual-core Optimizeru (najit Googlem). Pred tim ovsem vypnout v BIOSu Cool'n'Quiet (nema se to spolu rado).