After upgrading my iMac 2020 to Big Sur, my iMac 2012 (Catalina) will not be recognized as 2. Monitor.
"Recognizing Monitors" is also not working.
I´m using the Original Apple Thunderbolt 3 to Thunderbolt 2 - Adapter with Thunderbolt 2 cable.
In the "Systemreport", the connected Cable ist listed.
wendel60
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