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 ...

For a deeper clean, lightly dampen a cotton swab with isopropyl alcohol and carefully clean around the keycaps. Avoid soaking the swabs or letting any liquid drip between the keys. Cleaning putty can ...