Check all air vents for dust and lint build up
Verify that the temperature of the laptop is not too high when running
Run system diagnostics tests to ensure that the hardware is functioning correctly
Eliminate any running applications that are using too much of the laptop’s resources
Update the laptop’s firmware
Create more space on the hard drive to ensure it is not running out of storage space
Uninstall any software or applications that are not needed
Check the fan for damage or any obstructions
Reset the power settings of the laptop to optimize and increase battery life
Replace the thermal paste that connects the processor to the cooling system