Second monitor problems with Monterey

I've got an iMac running on Monterey 12.3.1 and want to use my old iMac (mid 2014) as a second monitor. It appears this is impossible even though I have them linked up with a lightning cable and adaptor. Is there any way I can achieve this? I don't want to screen mirror, I want to use the old iMac as an extended desktop. Having two monitors is essential for work, I'm starting to wish I hadn't bought a new iMac and gone with a Windows system

Posted on Apr 17, 2022 1:10 PM

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1 reply

den.thed

Level 10

91,210 points

Apr 17, 2022 1:43 PM in response to Bobadog17

Nope' the newer Monterey iMac does not support using the 2014 iMac as a display in Target Display Mode.

please carefully study > Use your iMac as a display with target display mode - Apple Support

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Second monitor problems with Monterey

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