How to test if the heat sink is functional

To determine the heat sink is working properly or not open the CPU cover and start the computer. After using it few minutes touch on the side of the processor. If it is very hot then your heat sink might be not working. The heat sink is used to reduce the heating of the processor. If it does not work processor will be heated highly. 

 

There is no alternative of the heat sink. It is physical hardware damage. So it cannot be solved by doing anything from the software. You can add an extra fan, but fans will not fulfill the purpose of the heat sink. Also, you need to purchase a new fan. Better is to go to the service center and check if they can repair the heat sink. If they cannot repair they will repair it or they will suggest you the way.  Go the service immediately. Because if you use your system this way, overheating may damage your motherboard.