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I would like to use my old 2010 27 inch iMac as additional screen for my new 24 inch M1 iMac. I have the mophie USB-c cable with Mini DisplayPort connector but no joy when connecting the 2 mac's. Are there specific settings that I need to set on either Mac?
iMac 24″, macOS 12.2
Not possible.
Not possible.
Use 27 Inch 2010 Mac as second screen for 24inch 2021 M1 iMac
