If low hardware specs are causing or contributing to the problem, hopefully lowering the resolution will help.

t0mte;
Please email supportdos2@larian.com with a dxdiag report (WinKey-R, type in dxdiag and hit enter, then when it finishes loading click on the 'Save All Information...' button and save the report somewhere handy). Also check the '..\Divinity Original Sin 2\DefEd\bin' folder for the gold.log file to include, if it is not empty. Alternately, you could post or PM a Dropbox or Google drive link, etc.