Knowing when to replace a dell laptop fan is of high importance, considering the fact that most laptop problems can be attributed to heat related issues.  When your laptop overheats due to an improper air flow or from a defective cooling fan it causes your motherboard and other components to heat up.  It is this excess accumulated heat that causes problems.  If you have an upgraded video card in your Dell laptop, you will want to check periodically that it is running smoothly.  Video cards are highly susceptible to damage caused by excess heat and a clogged or dirty fan is the last thing you need.  If you continue to run your Dell laptop while it overheats you will notice continual shut downs and error messages.  Take these messages seriously and determine if your laptop fan needs to be replaced.  It is best to replace dell laptop fan than to replace an entire motherboard.  All Dell notebooks have a fan situated next to the processor; you can easily locate it by searching for the air vents located either underneath or in the rear. 

It is important to keep these vents free of any obstructions; you need a nice continual flow of air coming out of the notebook in order for it to be cooled down effectively.  If you are going to replace the fan yourself, be sure to use the proper tools and to work in anti-static environment.  If you are unsure as to whether your fan is faulty you can always run a Dell diagnostic test.  The test will detect the fan at the proper RPM velocity and it will also tell you whether your fan is faulty or not.  You can download the Dell diagnostic test from Dell.com or consult your owner’s manual to see if your laptop already has it pre-installed.  It is best to replace your fan with a genuine OEM spare part, do not use any of the generic aftermarket parts that are out there.  There are many cases where these generic parts fail within a short period of time because they are not manufactured in the same factories as Dell genuine parts.  Identifying and replacing your Dell laptop fan as soon possible is crucial in preventing further damage to your system, if you need help in finding your Dell laptop fan please contact us.