Check in the BIOS for your cpu settings and look around to see if anything strikes you as looking "off"
AMD Phenom II X4 965BE @ 3.5 GHz
10 GB DDR3 1333 CAS-7
GeForce GTX 650 Ti 2GB
WD 1TB HDD, Corsair HX620
Samsung 21.6" LCD
Razer DeathAdder V2, MS 360 Controller