Over 50 degrees should certainly be considered dangerous. Vary by hard drive but typically should be 25 – 40 degrees. Intel and AMD guidelines for maximum CPU temperatures under full load vary from 75 to 90 degrees depending on the CPU design but, ideally, it should be 30 – 60 degrees max Hard Drive Temperatures Newer CPUs typically run cooler than older designs. CPU TemperaturesĪMD CPUs typically run hotter than Intel CPUs. SYSFANIN – the system fan – normally a positive value but not all computers will display a reading. A value of 0 may be a faulty reading but you should try to visually check if the fan is spinning. However, a general guide to the more important values is as follows: FansĬPUFANIN0 – the CPU (processor) fan – should be a positive value. The current data is displayed in real time (Value) as well as the Minimum (Min) and Maximum (Max) values since the program was opened – this lets you track how temperatures change during use.ĭetailed interpretation of the values in HWMonitor may require you to search manufacturer or user forums to find the normal (and maximum) operating temperatures of the components in your own computer. Unzip (extract) the portable Zip file and run the HWMonitor.exe program – after a short delay, the Hardware Monitor program opens. It is available in 32bit or 64bit versions. The program handles the most common sensor chips and can read the thermal sensors found in modern processors, as well as hard drive and video card (GPU) temperatures.ĭownload the portable (Zip) version of HWMonitor (not the paid Pro version) from the left hand side of the developer’s site here – the portable version is highly recommended as it requires no installation. It displays the temperatures and speed of fans, as well as voltages and battery power/health. HWMonitor (Hardware Monitor) is a free program that reads the main health sensors in computers. a VGA socket) may actually become too hot to touch… Using HWMonitor To Check If A Computer Is Overheating In a laptop, you may notice that the underneath becomes very hot and sometimes any exposed metal on the side (e.g. Other signs of overheating may include random BSOD (‘Blue Screen Of Death’) crashes or increased noise (as fans in the computer have to spin more quickly to try to cool it down). if it shuts down after an hour and you restart immediately, it may only stay on for a few minutes – because the cooling fans can’t dissipate the heat quickly enough. Once the computer has restarted it will likely stay on for even less time (because it is already hot to begin with) e.g. the registry) and stop Windows starting up. Overheating can create software problems too – just like powercuts, such sudden shutdowns may cause corruption in Windows files (e.g. Signs Of A Computer OverheatingĪn overheating computer will typically shut down or reboot (restart) by itself – in more serious cases this may happen just a few seconds after the computer starts up. If this happens to you, don’t ignore it – shutting down can be an early warning sign of serious damage to come if the cause of overheating is not fixed. Modern computers try to protect themselves from overheating by shutting down before damage can occur. Overheating can damage the vital components in a computer.
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