Most Desktop PC have ACPI to monitor the overheated CPU, HDD temp, hence shut down PC.
Qs1, How to check whether the Desktop PC have or does not have this ACPI feature? If the PC without ACPI feature, it had to shut down for fire safety reason.
Qs2, what temp sensor (sensor not allow to install inside desktop PC) to install at Desktop PC exterior so that it can shut down the PC when it sense overheating?
Qs3, which is the most appropriate position to install temp sensor at Desktop PC exterior so that it enable to measure that the PC is overheated?
Qs4, Is it possible that the Temp Sensor being installed able to detect that the PC's CPU, HDD was overheated (note: about 70% accuracy to detect overheated PC is good enough) ? Note: This temperature sensor (humidity temp not required) able to detect overheated Desktop PC though room and environment temp is ok.