An air duster takes a more old-school approach to keyboard cleaning. It blows out gunk trapped ... Keep a car detailing kit in your desk drawer and use it to spot-clean your keyboard regularly.

And yet, I don’t have a compressed air canister or a keyboard cleaning kit on hand ... One involves using an old toothbrush, and the other involves a small, soft brush, such as a makeup brush.

First, try these steps to clean up your old computer, and it may feel brand ... We have a detailed guide to cleaning laptops (and How-To Geek has one for desktops), but the gist is this: If ...