Can I use my old iMac 21.5 - inch (2015) as a second display with my new iMac?
Can I use my old iMac 21.5 - inch (2015) as a second display with my new iMac
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Can I use my old iMac 21.5 - inch (2015) as a second display with my new iMac
Nope because neither of those Mac’s support Target Display Mode.
Nope because neither of those Mac’s support Target Display Mode.
Can I use my old iMac 21.5 - inch (2015) as a second display with my new iMac?