Hello,possible cause of c2d e7300 single core running. my system parts is MB asus p5gc-mx-gbl i945g, ram 4g apacer dual, video gf 8500gt, cpu e7300. when read by hwmonitor was single core only. pls help...thank for those who reply
You have the wrong CPU driver loaded. Usually happens when you move the OS over from a single core CPU to a dual core system without reinstalling. Go to the device manager and change the CPU driver from uni to multi.