Zorin16 Pro on Dell Precision 5550 Nvidia Quadro T1000 Mobile Flickerig

[Aravisian]

Then I refer back to what I linked above:

Zorin OS Update After Sept 6 '21 kernel 5.11.0-34 Black Screen

these things happen, best to report and try the suggested solutions and do what you can. Moving from windows to this was a big step for me, loving the OS thus far.