How do I use Sidecar wired with my M1 Max MacBook Pro and my iPad Pro (5th generation)?

EdHughes320 wrote:

I keep trying to use wired sidecar but I never get the Sidecar icon appearing in Systems Preferences, nor does the blue rectangle Monitor icon appear at the top right in the bar up there. What am I doing wrong?

Use an iPad as a second display for a Mac - Apple Support