I have been running a 2600k just fine at 4.2 Ghz, until today when I added a new fan for push/pull. I put in a Gelid FN-FW12BPL-18 as the push fan (CPU_FAN), and moved the stock CM Hyper 212+ fan to the pull side (CHA_FAN1). Both are PWM fans.
When I booted, I got a CPU Fan error, and it showed...