![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.
![Using iMac 21.5 mid 2010 as an external monitor of Macbook Pro Retina late 2013 15"? - Ask Different Using iMac 21.5 mid 2010 as an external monitor of Macbook Pro Retina late 2013 15"? - Ask Different](https://i.stack.imgur.com/JEU3z.png)
Using iMac 21.5 mid 2010 as an external monitor of Macbook Pro Retina late 2013 15"? - Ask Different
![Help with 27 inch monitor as external monitor on iMac 2010 21,5 inch. It does not want to go fullscreen and it has a little annoying black boarder : r/mac Help with 27 inch monitor as external monitor on iMac 2010 21,5 inch. It does not want to go fullscreen and it has a little annoying black boarder : r/mac](https://i.redd.it/mbcsk2zjvo961.jpg)