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Hyperthreading on 3770k causing problems?

February 20, 2013 11:54:42 PM

Specs:
MB: ASUS SABERTOOTH Z77
CPU: Intel i7 3770k
GPU: XFX Radeon 6850 HD + XFX Radeon 6870 HD @ CrossfireX

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First of all, I apologize if I misuse a term or misrepresent an idea ahead of time.

On to the point, then.

I recently had to RMA a motherboard that suddenly wouldn't boot after a month of use. They sent me a brand new motherboard to replace my old one and everything booted fine, but Adobe Flash and Adobe Air would not work, and I would randomly get lines down my screen when loading pictures or web pages like this: http://i.minus.com/jsGfcYAfyjLnT.png

When I disable hyperthreading through BIOS or limit my cores through msconfig to 4 or less (no higher) everything works perfectly fine.

Was my ability to use hyperthreading damaged when my motherboard shorted? (is that even possible?)

What will hyperthreading effect for me? (I like gaming and streaming with high compression rates (big CPU load))

Can I still overclock?
!