Case Cleaning Tips Resons to clean it Outside: You will have a more good looking computer. Inside: To prevent overheating and to improve internal air circulation Cleaning procedure 1. On the outside you can clean the case with a cloth dampened with water. 2. Remove the case of your computer. 3. Use a compressed air can to blow the dust inside your computer. Pay attention to fans especially as they collect lots of dust. Do not use electricity powered vacuum! This can cause a lot of static electricity that can damage your computer! 4. Put the case back on.