8.1 does not recognize additional cores in cpu upgrade

[martik777]

Upgraded my AMD X3 to an X6 but core count remains at 3. I tried clearing the count to 0 in msconfig (max is 3, 0 is supposed to reset) and uninstalling all 3 old cores from device mgr. All 6 on the cores now show in device mgr (after reboot) but not in other apps (coretemp, cpuid, prime95...) Also tried changing cores to 6 in easybcd - no luck. Bios shows 6 cores.

I did a fresh install of 8.1 on another partition and all 6 show and work ok so my existing win 8.1 is not recognizing the new cpu properly.

Any ideas?

 

[martik777]

fixed. Had to delete each core in devmgr AND set core count to 0 in msconfig, then reboot