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The strangest thing happened with my cpu - cores locked down?

Last response: in CPUs
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January 4, 2013 6:31:37 AM

I have Coretemp installed to see my temperatures on my cpu, it usually displays 4 digits of each core displaying their temps, recently I have noticed for no reason my games are performing badly, so I open up coretemp again (to test out my new fans) and now there are only 2 digits displaying with temperatures and my games have suddenly had a massive decline in fps because of it. Also, if I try and set affinity on a process in task manager it also displays 2 cores not 4, it always was 4 now it's 2. I have an FX-4100 OC @4.4GHz and I don't understand why it is suddenly 'locked' itself down to two cores. Please help me.
January 4, 2013 6:39:26 AM

sorry it wont let me edit my post..
*Edit
I looked in bios and selected something that said "Activate 3rd and 4th core?" I pressed yes but on coretemp it still says 2 cores, 2 threads.
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January 4, 2013 6:57:11 AM

Reduce the OC and you will get the two cores back.
January 4, 2013 7:01:34 AM

noidea_77 said:
Reduce the OC and you will get the two cores back.


Thank you so much it worked. :D 
!