It’s important to note that this is not the only other cleaning method available. This will clean the tops and sides of the keys.Don’t use too much alcohol you don’t want seepage beneath the keys.

Use a small amount of isopropyl alcohol on a clean cloth (old t-shirt or what have you) and span the entirety of the keyboard. If you feel like you loosened some remaining material, feel free to use the air can again. Another idea would be to use a small paintbrush to free up debris. Use a fine tweezers to grab any dust or noticeable material from between the keys. Be sure to follow the safety instructions on the label of the compressed air can. Moisture will come out if you hold the trigger down too long. Aim for the crevices and use short bursts of air. The tip of the can should be several inches away from the keys. Tilt the can or laptop in a manner such that the nozzle of the air can is at a forty-five degree angle to the keyboard. Make sure this is done above a trash can so you don’t have to clean this up twice. You could gently shake or tap on the bottom to help gravity, but don’t beat the machine. This may not do too much, but you might just get some excess matter to fall out. Shut it down and unplug all cords connected to the laptop before beginning. Don’t just set it to “sleep” or “hibernate.” A taxidermist wouldn’t work on a sleeping or hibernating bear, right? The same goes for you and keyboards. Be sure to check your warranty or manual concerning tampering further with your machine. Is your laptop keyboard thoroughly soiled or is this a routine cleaning? If you spilled something on your keyboard, you might consider the “deep” cleaning method given at the bottom of this page. Do this routinely and you could avoid needing to perform the deep cleaning method noted at the bottom. Listed below are steps to clean a laptop keyboard. The more regularly you clean a laptop keyboard, the easier the cleaning will be. Fortunately, when the keyboard is the problem, it is generally an easy fix. No one ever suspects the keyboard, but it’s perfectly reasonable that the part of the laptop that we touch the most should require the most frequent care. But once something goes awry, we’d rather use a hammer to relieve the machine of its duties than thoughtfully plan routine hardware maintenance. All is well when our computers work well. I don’t know anybody that hasn’t wanted to perform destruction therapy on their computer at one time or another.

How to clean a apple computer keyboard