Question Ubuntu 21.04 - Display setup

Aug 3, 2021
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Hello, today I installed a Quadro NVS 510 instead of my HD 530 to achieve full experience from 4K monitor. I'd like to use both panels 3840 x 2160 and 1920 x 1080, but when I once changed display configuration (using SuperKey + P or just in settings) I can't go back and revert changes. Only smaller monitor works, no matter which mode I select. Do you have any advice?
 

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