HM. Curious. I think it must be something I did. I'm trying to use the HWiNFOMonitor window to give 'basic' information (temps, fan speeds etc). Most of the sensors are hidden but nowhere in the Sensor Status were the CPU fan speeds to be found. I reset the Preferences in the General/User...
Two of the five possible fans present do not seem to appear in the Sensors section. One is the CPU fan, the other is the CPU block pump. These are (or would be) CPU and CPU OPT. The two case fans show correctly. The motherboard is a Gigabyte X99 series running the inevitable Win10 64 bit...