How to add a display to a Mac by using another Mac, iPad, or an HDTV

You’ve got options other than a standard display to use as your Mac's monitor.
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  • Mac
  • Monitors
Glenn Fleishman’s most recent books include Take Control of iOS & iPadOS Privacy and Security, Second Edition (covering iOS 15/iPadOS 15), Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.