It's a Keyboard Blowout For PC users, canned air is an essential purchase, whether you want to clean out your keyboard or your gunked-up case fans. For keyboards in particular, it can blow much of the dust out of your way without much effort. All you have to do is insert the straw-like plastic hose inside the nostril of the can and you're ready to blast away. You just can't start blowing compressed air across your keyboard willy-nilly, though.Take some precautions first. Canned air won't eliminate all of the dirt under the keys, but it will blow away everything that's visible, and the debris will scatter across your desk and floor in a nasty cloud. It's best to do this outdoors, or perhaps over the bathtub.Removing the keycaps, if that is possible, will make this more effective, so do that first if it's an option. Just don't push the straw right up onto the surface you're blowing on because canned air tends to create condensation when you do that, leaving pools of moisture or frost behind. Experiment, but keep a little distance to prevent harming your keyboard.Also, another tap-and-shakeout session is worth doing after your air blasting. You've probably dislodged debris and pushed it into other places within the keyboard body at this point. These pieces may shake out more easily now than before.

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