Minimum/Maximum operating temperatures
Minimum and Maximum operating temperatures specify the range of temperatures in which the CPU is guaranteed to function. It is not recommended to operate the CPUs at temperatures lower than the minimum and higher than the maximum operating temperature. Higher CPU temperature could be an indication of broken or inadequate fan/heatsink, or poor airflow inside of the computer case. In the former case, pro-longed operation at close to the maximum temperatures may cause system instability and shorten the CPU lifespan. Running the processors at temperatures much higher than the maximum operating temperature may permanently damage the CPU. In the latter case (poor case ventilation), poor airflow may also cause higher operating temperature of other system components, such as the motherboard and video card, and may result in shorter lifetime of these components as well.
Modern microprocessors include special features that can throttle or reduce processor frequency when the CPU temperature reaches the maximum, or shutdown the CPU completely when the temperature reaches certain critical value (which is greater than the maximum temperature). If your CPU is consistently running at temperatures close to the maximum, or periodically shuts down by itself, use the following methods to rectify the problem:
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