We spend a lot of time looking at our desktop monitors and laptop displays. Unfortunately, computer screens attract all manner of dust, fingerprints, and grime, which can be distracting and unsightly.

Look down at your keyboard, and if you're surprised—or mildly disgusted—by what you see, it might be time to give your computer a good cleaning. Many of us live with our computers, so it's inevitable ...

Heat is your computer's worst enemy. Over time, dust buildup inside your computer could undermine its cooling efficiency, resulting in shorter life spans for your computer's components. Ed Rhee, a ...