hello,i am tired of finding what was causing the problem.
the problem:
lag in NFS: HP(2010),Guitar Hero: World Tour
lag in WMP 12 any blue ray or hd playback
the solution:
simple just exit aida 64 & the problem just vanishes.
my system config:
Mobo-Gigabyte X58A-UD3R(Rev 1.0)
CPU-Intel Core i7 930@3.8Ghz
CPU Cooler-Thermaltake Frio
RAM-Corsair XMS 6GB DDR3@1448Mhz
GPU-MSI GTX 580 1536MB+Gigabyte GTX 285 1GB as a dedicated physx
PSU-Gigabyte Odin pro 1200 Watt, SLI certified, 4 w