If your Dell laptop fans have stopped working, you risk damage to your internal components.  When your Dell laptop is not able to remove excess heat effectively, it will overheat and cause moderate to severe damage to your motherboard, processor or other vital parts.  You can check the air vents to make sure they are free from dust or other obstructions.  Clean your dell laptop fans regularly as the accumulation of dust overtime can cause problems.  If you need help replacing or finding the proper dell laptop fans for your system, please email us and we will help you.  We can also give you free advice for testing or replacing them.