Go into the BIOS and chose "Load optimized defaults". Its sounds like the core control setting somehow got set to just four cores and that's the easiest way to remedy it if you don't know where that is.
Go into the BIOS and chose "Load optimized defaults". Its sounds like the core control setting somehow got set to just four cores and that's the easiest way to remedy it if you don't know where that is.
Its ok now guys thanks for commenting and helping i download only the easybcd 2.3 to work all the core on cpu its ok now 8 cores and 8 threads yuhoo happy overclocking now