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There are a lot of issues and scenarios that we commonly encounter with computers. It doesn't matter what operating system, brand, or architectural structure of the motherboard we have, may it be a desktop, laptop, or a netbook computer. Some common reasons why a computer crashes are due to hardware failure or malfunction, corrupted program files and/or drivers, virus infections, and overheating. This article will discuss the common causes why a computer experiences overheating. To briefly define overheating, this is when a piece of hardware on your computer generates enough heat, which will simply cause the hardware component to malfunction or break down. A common scenario where a computer malfunctions due to overheating is when the user operates it for some time without proper ventilation. So why do computers overheat and what are the symptoms? How do we avoid such problems? These are the following symptoms when a computer is overheating: The system tends to restart or switch off by itself while being use. If ever the CPU temperature is too high, this causes the system to reboot once it exceeds the maximum temperature allowed to withstand heat. The system application would sometimes become unresponsive or sluggish. Either the screen would tend to freeze so you would have to power it down by pressing the power button for a few seconds or unplugging the power cord to start it up again. The following are causes why computers overheat: The CPU fan is not working due to a problem with the power supply. The CPU fan is faulty. Dust or small particles impedes and clogs the CPU fan, which causes poor air circulation. The location of your computer does not have proper ventilation due to objects that blocks the airflow. Overclocking the computer can also cause overheating since it requires greater power consumption, which generates more heat. To avoid computers from overheating, make sure to do the following: Don't forget to clean your computer regularly. Make sure to remove dust accumulating on your computer to avoid clogging and blocking the fan’s air flow. Place the computer on a spot that doesn't have any obstruction, which can affect the fan’s air flow. This will provide proper ventilation to your computer. Make sure that the fan is working properly on your computer. Check the heat sink and make sure to apply thermal paste before properly reseating it. A thermal paste is a substance form, which helps the computer CPU to improve heat conduction. There are three types of thermal paste that you can use namely metal, ceramic, and silicon. Sometimes, it is necessary to install an additional fan on the computer to avoid overheating the components on the motherboard. I hope this article would be of help, especially if you encounter any issues that I have mentioned above.