Over 70% of the adult population in the United States owns a laptop or desktop computer. The fact that this number is so high, even in the face of the explosion of phones/tablets speaks to the fact that computers still provide users with an unparalleled level of control over their personal and work tasks.If you're a laptop owner, you'll want to do everything you can to properly maintain your device given its cost. To that end, one of the top things you'll want to keep an eye…