Cromatic Posted July 12, 2018 Share Posted July 12, 2018 CPU Fan Speed Error Detected is the message i have received upon building a new PC... Going to load the BIOS and get this message. Link to comment Share on other sites More sharing options...
Cromatic Posted July 12, 2018 Author Share Posted July 12, 2018 https://imgur.com/a/q6v4IiS Link to comment Share on other sites More sharing options...
c-attack Posted July 12, 2018 Share Posted July 12, 2018 You will get this any time you don't have something plugged into the CPU Fan header on the motherboard. It is an old fail safe to remind you the CPU needs cooling. The connector coming off the pump can go on CPU fan to resolve this. For SATA powered coolers, this is primary function. For coolers like the H100i v2, that line is also the pump and fan power and you must set the Q-fan setting to "Full Speed" or 100% in another way. Disabling the CPU Fan header will solve the issues universally, unless... You already do have the cooler connected to CPU Fan and this popped up. That is usually a worrisome and typically fatal sign the motherboard can no longer see the cooler as a device and something has gone wrong electrically inside the cooler. Link to comment Share on other sites More sharing options...
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