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Can I use my Imac (2009-2010) as an external monitor for my (2020) new Imac?

I have an older iMac (2009-2010) that I would like to use as an extra monitor for my new (2020) iMac. What can of adapter can I purchase to make this work?

Posted on Jan 13, 2021 1:12 PM

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Question marked as Top-ranking reply

Posted on Jan 13, 2021 8:32 PM

It will work if it's a 27" iMac, 2009 or 2010. Connect it to one of the Mac mini's USB-C ports with:

mophie USB-C Cable with Mini DisplayPort Connector - Apple


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

( The "Mac from 2019 or earlier" is for Thunderbolt connection, and doesn't apply for a Mini DisplayPort 2009 or 2010 iMac.)

3 replies
Question marked as Top-ranking reply

Jan 13, 2021 8:32 PM in response to rob9192

It will work if it's a 27" iMac, 2009 or 2010. Connect it to one of the Mac mini's USB-C ports with:

mophie USB-C Cable with Mini DisplayPort Connector - Apple


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

( The "Mac from 2019 or earlier" is for Thunderbolt connection, and doesn't apply for a Mini DisplayPort 2009 or 2010 iMac.)

Can I use my Imac (2009-2010) as an external monitor for my (2020) new Imac?

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