HP Pavilion 21-a000 Quick Setup Booklet - Page 11

4 Maintaining your computer Cleaning procedures Keeping your computer system free of dust, dirt, and heat will prolong its life. ● Dust, pet hair, and other particles can build up, creating a blanket effect; as a result, components can overheat or, in the case of the keyboard and mouse, not work smoothly and effectively. ● Check your system once a month for visible signs of dust and debris, and clean it about once every three months. ● Visit www.hp.com/go/contactHP for additional cleaning instructions. Cleaning the computer vents Air vents keep the computer cool. Keep these vents clean by using a small, batterypowered vacuum cleaner. (A battery-powered vacuum cleaner eliminates the risk of electric shock.) 1. Vacuum the vents on the computer case. 2. Remove any debris that has accumulated in and around the computer connectors (for example, the Ethernet and USB connectors). Cleaning procedures 7