I haven’t been able to use my iMac 27” 2013 running on Catalina as second monitor pf my MacBook 2020 M1 chip running BigSur, I have the right adapter and cable, follow all the steps but nothing happens
Can I use my iMac 27” 2013 running Catalina as second monitor for my MacBook Air 2020 M1 chip running BigSur?