All systems have some of the other types of moving parts inside them that needs regular maintenance. Computers aren’t an exception. It has CPUs, power supplies, video cards, and many more parts as such. The maintenance of each of these parts is important. Indeed, the computer cabinets offer the parts a high degree of protection. But, the cases themselves require regular cleaning too. You can clean the cabinets with a spray of air and remove any dust stuck on the parts. Likewise, you could also use a cloth to do so.