Hello again Bojan, Pardon my ignorance but is Joe's answer as you outlined in your reply

deleting as pictured --the same answer and correct?

thank you again,

Des

Kudos to Joe Cowley,

His answer was the one!--Go the boy! Adobe and Apple support lead me on merry chase--

Joe you take the bow !!

Here is his answer and it WORKS!

Des

Thank you to Bojan also for prompt reply it was a Sonoma Bug that caught all us out --Blah!!

B

Have you considered disabling the integrated graphics card entirely? Based on my observation, the Radeon Pro 555 is from 2017, making it 7 years old, and it should still be functional.