Am I reading documents here correctly to say that I cannot use a 2009-era iMac as an external monitor for my M1 chip MacBook Pro?

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Am I reading documents here correctly to say that I cannot use a 2009-era iMac as an external monitor for my M1 chip MacBook Pro?

Am I reading documents here correctly to say that I cannot use a 2009-era iMac as an external monitor for my M1 chip MacBook Pro? The iMac is in perfect condition.

MacBook Pro 13″, macOS 10.14

Posted on Jun 17, 2021 12:55 PM

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Answer 1

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D.I. Johnson

Level 7

23,699 points

Jun 17, 2021 12:58 PM in response to dennisdamian

That is correct.

The 2009 iMac cannot be used as a monitor with the M1 MacBook Pro.

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Answer 2

KiltedTim

Level 10

202,876 points

Jun 17, 2021 12:59 PM in response to dennisdamian

That's correct. Target Display Mode was deprecated after macOS High Sierra and new Macs can not use an iMac that still supports TDM as a monitor.

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Am I reading documents here correctly to say that I cannot use a 2009-era iMac as an external monitor for my M1 chip MacBook Pro?

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