A disappearing mouse cursor can be caused by a variety of factors ... No software change will fix a problem with your ...

Moving your mouse cursor over the edge ... your taskbar disappears. Poof, it's gone, for no apparent reason. Don't fret. It's ...

Sometimes that Dock can disappear, making navigating your Mac ... whether your Dock is set to hide automatically by moving your cursor over the bottom edge of your screen and seeing if it reappears.