One of the handy features of older iMacs was Target Display Mode, an option that allowed you to use an iMac as an external display. While the feature hasn’t been offered in iMacs since 2014, there was hope floating around in the Apple community that it might make a return with the new M1 iMacs. Unfortunately, the new all-in-one Macs don’t list support for Target Display Mode but there is a third-party workaround.
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