Lubuntu's Temperature monitor always reports 40°C and never changes. Resource Monitor reports my CPU hovering between 80% and 98% for about 1.5 days now and Temperature Monitor hasn't changed even though I can hear the CPU fan whirring dutifully as it changes speed to accommodate my demands.
Other posts recommend installing lmsensors and running sensors-detect and running sudo modprobe, all of which I have tried without results. Even after rebooting, no change is seen in Temperature Monitor.
Right clicking Temperature Monitor and choosing settings gives the following fields and values. I haven't the first clue as to what might be appropriate for the "Sensor" field, or what "Automatic sensor location" might mean:
