mg-630-laptop-flickr-tarksiala-630wIf you use a laptop, you're probably already familiar with laptop heat. Use your computer long enough and it can feel like you have a branding iron draped across your lap. Some laptops get so hot that they'll shut themselves off before permanent damage can occur, and there are plenty of urban legends about computers spontaneously catching fire. While you're not likely to have a spontaneous fire in your lap, laptop heat has been linked to problems with male infertility and skin discoloration.
Most computers produce a lot of heat; laptops get the reputation more than desktops because you don't touch your desktop computer as often as you do your laptop. Most of the heat is generated by your computer's central processing unit and its graphics card.
Different laptops have different methods for handling heat once it's generated. Some use fans to blow air, while other laptops actually use the laptop's metal chassis as a sort of heat sink, conducting the heat from the computer into the air. IfRead More »from How to keep your laptop cool