A: clean your laptop to get rid of dirt, grime and dust to keep your laptop running efficiently and from over-heating. Make sure the laptop is off while you clean it. You will need-compressed air & a microfiber cloth.Use the compressed air to get rid of crumbs and dust from keyboard. Then turn over the computer and use air to clear debris from the fan. Then wipe the keys, screen and outside case with a microfiber cloth.