Linux Ubuntu (with KDE) doesn't recognize laptop screen - Linux - NVIDIA Developer Forums
nvidia - Xubuntu20.10: second monitor (TV), hdmi, detected & connected by PC, but picture input only detected by TV when mirrored - linux & windows - Ask Ubuntu
drivers - External monitor not detected on Ubuntu 18.04 - Ask Ubuntu
Ubuntu doesn't detect my second HDMI display - Linux - NVIDIA Developer Forums
Configuring the Second (and/or Third) Monitor in Ubuntu - Make Tech Easier
nvidia - Dual monitors - HDMI Monitor doesn't display top menu bar - Ask Ubuntu
Can't connect to second monitor via HDMI (Ubuntu 20.04) - Linux - NVIDIA Developer Forums
Ubuntu 19.04 doesn't detect my HDMI display - Linux - NVIDIA Developer Forums
multiple monitors - Ubuntu does not recognize HDMI port - Ask Ubuntu