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Does not detect monitor, no required resolution, unknown VGA display in Ubuntu / ~#root -i
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External monitor not detected in Ubuntu 20.04 - Ask Ubuntu
Graphics driver check on Ubuntu 20.04 - Linux Tutorials - Learn Linux Configuration
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multiple monitors - How to make Ubuntu recognize an unknown external display (so I can adjust its resolution)? - Ask Ubuntu
Ubuntu 18.04 2nd Monitor not recognized - Ask Ubuntu
Why won't Ubuntu 22.04 LTS detect my second monitor? - Quora
Solve Unknown Monitor (or Monitor not Detected) in Ubuntu 11.10 | bagustris@wordpress
Does not detect monitor, no required resolution, unknown VGA display in Ubuntu / ~#root -i