![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)
Troubleshooting tips for using an old iMac as an external display for a Thunderbolt 3 Mac | Macworld
![5 Best Ways To Use An iMac As A Monitor in 2023 (inc. M1 & M2 Macs, MacBook Pro, Mac Mini & Mac Studio) 5 Best Ways To Use An iMac As A Monitor in 2023 (inc. M1 & M2 Macs, MacBook Pro, Mac Mini & Mac Studio)](https://machow2.com/wp-content/plugins/wp-youtube-lyte/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2Fpwe6S0Ik2hg%2F0.jpg)
5 Best Ways To Use An iMac As A Monitor in 2023 (inc. M1 & M2 Macs, MacBook Pro, Mac Mini & Mac Studio)
![QUICK CUT!! TARGET DISPLAY MODE Legacy support for older Macs OCLP Mac OS Ventura & Monterey #short - YouTube QUICK CUT!! TARGET DISPLAY MODE Legacy support for older Macs OCLP Mac OS Ventura & Monterey #short - YouTube](https://i.ytimg.com/vi/cf8N-7ZUpQU/maxresdefault.jpg)
QUICK CUT!! TARGET DISPLAY MODE Legacy support for older Macs OCLP Mac OS Ventura & Monterey #short - YouTube
![Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac](https://i.redd.it/target-display-mode-is-pretty-universal-on-the-27-inch-v0-q88xa8f5y50a1.jpg?width=4032&format=pjpg&auto=webp&s=51c2fd174719227452bc2588df524ac13ef95569)
Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac
![Luna Display's powerful Target Display Mode feature for Mac adds Ethernet and Thunderbolt support - 9to5Mac Luna Display's powerful Target Display Mode feature for Mac adds Ethernet and Thunderbolt support - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2021/05/luna-display-target-display-mode-for-mac.jpeg?quality=82&strip=all)
Luna Display's powerful Target Display Mode feature for Mac adds Ethernet and Thunderbolt support - 9to5Mac
![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://external-preview.redd.it/NJPaJgOIYTA71P-5lQOSrKA7Od7M74INZM-6tyrtwbc.jpg?width=640&crop=smart&auto=webp&s=d7eb0b99b4015b5c6e8aff38f80fe92fa774d411)
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.
![5 Best Ways To Use An iMac As A Monitor in 2023 (inc. M1 & M2 Macs, MacBook Pro, Mac Mini & Mac Studio) 5 Best Ways To Use An iMac As A Monitor in 2023 (inc. M1 & M2 Macs, MacBook Pro, Mac Mini & Mac Studio)](https://machow2.com/wp-content/uploads/2022/07/target-display-mode-imac.jpg)