Installed Gigabyte H81M-H motherboard and Intel i3 4160 CPU - computer now running very slowly

nebuernos

Reputable
Jun 13, 2015
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4,510
As the title states, I just installed a Gigabyte H81M-H motherboard and an Intel 3 4160 CPU in my PC. Since installing them, my computer's been running slower than before (both parts are upgrades from my previous). The Gigabyte site is telling me I have the most recent BIOS for the mobo (it's rev. 2.1), and I'm not sure what else I can do.
Also, possibly related, my two monitors have blacked out and then reappeared ~5 seconds later, twice since I installed the new components yesterday. Any ideas on what's causing this?
Thanks for any help - I am a novice at this