I want to use my 21.5 inch, Mid 2011 iMac (High Sierra 10.13.6) as an extended display for my 24 inch, M1, 2021 iMac. (Ventura 13.4) I purchased a Thunderbolt 2 cable and a Thunderbolt 3 to Thunderbolt 2 adapter to connect the computers. No luck!
I want to use my 21.5 inch, Mid 2011 iMac (running High Sierra 10.13.6) as an extended display for my 24 inch, M1, 2021 iMac. (running Ventura 13.4) I purchased a Thunderbolt 2 cable and a Thunderbolt 3 to Thunderbolt 2 adapter to connect the computers. No luck connecting! Help!