I'm building my first pc for about 7 years . I have so far put the pc together out of the box, just to check that the cpu and heatsink has been installed correctly. I have a Core i5 750 with a Gelit Tranquillo, and Gigabyte GA-P55-USB3 motherboard. In PC health status the cpu temp initially went up to 26c and then after a while lowered to 24c. I was expecting something like 14-16c. I also notice that the Bios is reporting that the cpu is clocked at 2.8ghz not the stock 2.66ghz, so I'm wondering whether that would account for the extra temps, or perhaps i've installed the TIM incorrectly? I can't varify this in Windows, I haven't got that far yet. I don't know why its at 2.8ghz, any ideas? I used the TIM that came with the HSF and put a small blob of in the middle and then just squished the heatsink on top and screwed down. Do you think I should start over?