Forgive me if this is the wrong place to post, but this is my first time on this forum. Anyway, i recently upgraded the graphics hardware and the motherboard in my system. I put in an ASrock Z77 Extreme 4 (replacing a Gigabyte Z77 DS-3H) and I put in 2 EVGA GTX 770's (replacing 1 Galaxy GTX 660 Ti). Ever since i have done this, my system has been running very loudly as a result of the fan speeds. After hours of troubleshooting i was able to isolate the issue to the CPU Fan. For some reason, the CPU fan is running faster than it was with my previous system and it has become obnoxiously loud in simple tasks, such as writing this post. My cooler is a corsair H60i, with the rear exhaust fan pointed towards the radiator to draw cool air in from outside the case (My case is a Corsair Carbide). When i unplug the CPU fan, the system returns to the quiet "hum" that it used to produce, but when i plug it back in, the sound amplifies once again. I have toyed around in the bios for hours, but i have yet to be able to find a fix. Does anybody have any idea how to get my CPU fan working properly once again? Any help is more than appreciated. Thank you in advance!