![Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz. Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz.](https://i.imgur.com/jzZkj8b.jpg)
Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz.
![Troubleshooting tips for using an old iMac as an external display for a Thunderbolt 3 Mac | Macworld Troubleshooting tips for using an old iMac as an external display for a Thunderbolt 3 Mac | Macworld](https://www.macworld.com/wp-content/uploads/2023/01/new_2017_imac_two_side-100724913-orig.jpg?quality=50&strip=all&w=1024)
Troubleshooting tips for using an old iMac as an external display for a Thunderbolt 3 Mac | Macworld
![M1 13” MacBook Air, 2010 IMac as external monitor, Apple Magic Keyboard and trackpad 2, KRK ROKIT 4 Monitors, Nanami Fast Charge iPhone dock. : r/macsetups M1 13” MacBook Air, 2010 IMac as external monitor, Apple Magic Keyboard and trackpad 2, KRK ROKIT 4 Monitors, Nanami Fast Charge iPhone dock. : r/macsetups](https://i.redd.it/vuovjsgwwnf61.jpg)