Save your system overheating, Clean your system fan from dust. Clean your system regular basis. Use a soft cloth and lint-free cloth for system cleaning. What the reason laptops are overheating. electric circuitry produces the heat from the system. Laptop fans are exactly designed to heat the heat out from the machine. Your system health needs your attention to clean regularly and smartly. Cleaning saves your system electric circuits electrostatic charges, which could harm them. It is nice to have, however now it is no longer 100% essential.