Is this a laptop? Does the track pad exhibit the same behavior? It's possible both mice you tried are bad, at least that would be my guess. I saw an Apple discussion thread that mentioned "Logitech ...

Hey all. So I been using the logitech m570 trackball mouse and i find it very comfortable. The issue? This is my second one because the first i had issues with it double clicking or not clicking ...

A single click is used to select an item, and with a double click, we extend the action. For example, with a single click, we select a video, and with a double click, it starts playing. However, we ...