Q. My mouse is acting up. It feels like it’s rolling over gravel and it seems to skip. Do I have to buy a new one? A. You may need a new one, but in all likelihood all it needs is a good cleaning.

You should clean your mouse pad occasionally, especially if you notice your mouse has trouble tracking. Scrub a rubber or plastic mouse pad with a wet wipe or damp cloth. You can submerge a cloth or ...