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Can an older iMac act as a mirrored display attached to my new mac air?

Can an older iMac act as a mirrored display attached to my new mac air?


MacBook Air 13″, macOS 10.14

Posted on May 7, 2022 11:22 AM

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Question marked as Top-ranking reply

Posted on May 7, 2022 11:48 AM

See the strict limitations—both hardware and software—on the obsolete Target Display Mode in this Apple article:


Use your iMac as a display with target display mode - Apple Support


Your "new mac air" would need to be a 2019 or older model running macOS 10.15 Catalina or older. M1 Macs are not supported.


The iMac would have to be a 2009-2010, 27-inch mode,l or a 2011 through Mid 2014 (any screen size) to work. Cabling and adaptors required for some combos can approach US$100.


TDM is dead technology. Apple started its deprecation in Late 2014 and threw the last shovel of dirt in its face in early 2020. It was never as good as a free-standing external monitor, and has not improved with age.

1 reply
Question marked as Top-ranking reply

May 7, 2022 11:48 AM in response to 767flight

See the strict limitations—both hardware and software—on the obsolete Target Display Mode in this Apple article:


Use your iMac as a display with target display mode - Apple Support


Your "new mac air" would need to be a 2019 or older model running macOS 10.15 Catalina or older. M1 Macs are not supported.


The iMac would have to be a 2009-2010, 27-inch mode,l or a 2011 through Mid 2014 (any screen size) to work. Cabling and adaptors required for some combos can approach US$100.


TDM is dead technology. Apple started its deprecation in Late 2014 and threw the last shovel of dirt in its face in early 2020. It was never as good as a free-standing external monitor, and has not improved with age.

Can an older iMac act as a mirrored display attached to my new mac air?

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