Big Sur 11.4 / now not recognizing display

[dbazzer]

Originally Posted by celestoid

My mac is no longer recognizing the display after the Big Sur 11.4 upgrade yesterday. The display will flicker with the logo and go to black, I've tried the most recent driver and my mac is not recognizing that an external display is plugged in. Any clues on how to fix and troubleshoot this please?

Same problem. Just bought new docking station, downloaded the app running Bug Sur....nothing!