Does your computer or laptop look like this? If it does that is very bad and can be considered a fire hazard, also it can lead to the fans of your laptop or computer becoming very loud and spinning faster than they’re supposed to spin which will lead to the death of your computer or laptop. And cause overheating which is very bad for the components of the computer or laptop.
How to prevent your computer or laptop from overheating?
First thing you must do is get a product called dust off which is a can of air that is made for cleaning out the fans of your computer or laptop. You have to spray the inside of the computer or spray the fans to remove the built up dust to prevent overheating. I will also provide a link below to this product https://goo.gl/YxLudP