Big Sur - inverted screen after calibration with i1

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jann lipka Regular Member • Posts: 129
Big Sur - inverted screen after calibration with i1

HI - I recently updated my 2017 imac 27

Radeon Pro 580 8 GB

( 2nd attached screen is Benq 27 inch )
to Big Sur.

After proper calibration
( using palette Master element för Benq and i1 Profiler for Imac screen )
I got a strange behaviour there some screens / dialog boxes ( went inverted - text
got outlines etc as in attached screenshots )

from what i see nothing in the system is
Incorrectly enabled ( like screen inverted in the disability helpers )

I was thinking that maybe something happened during the calibration.
Chrome was unusable - i could get a proper screen by turning off hardware acceleration
( but it became slow )
Right now in most situations the screen looks OK but for example Adobe Cloud 
window is inverted .

Any suggestions what to test ?

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