Your top PC fan might be making your CPU run hotter

PCWorld 

When you purchase through links in our articles, we may earn a small commission. This simple fan adjustment could be the solution at no cost. Many PC systems struggle with unnecessarily high CPU temperatures, even though they've got plenty of fans installed. A particularly common approach is to configure all top-mounted fans as exhaust. While this may sound logical, in traditional PC cases with air coolers it can have the opposite effect.