In the world of PC maintenance, compressed air cans have become a staple for cleaning the computer's internals. After all, they're inexpensive, portable, and require no power. I have been using them ...

DEAR HELOISE: I am not sure if you've had this idea suggested before. Air duster cans (compressed air in a can) is great for cleaning computer keyboards and other devices. However, I also use it to ...

More reliable and less wasteful than compressed air, and it's cheaper on Amazon than it's ever been for Black Friday. When you purchase through links on our site, we may earn an affiliate commission.