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nvidia - Xubuntu20.10: second monitor (TV), hdmi, detected & connected by PC, but picture input only detected by TV when mirrored - linux & windows - Ask Ubuntu
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显示器不输出xrandr warning: output HDMI-1 not found_rk3399 warning: output hdmi-1 not found; ignoring-CSDN博客
![Whenever I try to use xrandr to enable overscan, this error keeps popping up. Can anyone possibly help? : r/linux4noobs Whenever I try to use xrandr to enable overscan, this error keeps popping up. Can anyone possibly help? : r/linux4noobs](https://preview.redd.it/whenever-i-try-to-use-xrandr-to-enable-overscan-this-error-v0-c3s8o5jy3q791.jpg?width=3072&format=pjpg&auto=webp&s=7b2b8895258013a308fc492ff2a94fff07406367)
Whenever I try to use xrandr to enable overscan, this error keeps popping up. Can anyone possibly help? : r/linux4noobs
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Cant open display : xrandr --output HDMI-0 - Linux Discussions - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![xorg - XRandR crops displayed area on certain multi-monitor configurations - Unix & Linux Stack Exchange xorg - XRandR crops displayed area on certain multi-monitor configurations - Unix & Linux Stack Exchange](https://i.stack.imgur.com/yUdiC.png)
xorg - XRandR crops displayed area on certain multi-monitor configurations - Unix & Linux Stack Exchange
![xorg - Lost control of the windows sent to monitor on HDMI, which xrandr doesn't detect - Unix & Linux Stack Exchange xorg - Lost control of the windows sent to monitor on HDMI, which xrandr doesn't detect - Unix & Linux Stack Exchange](https://i.stack.imgur.com/0Xzfe.png)
xorg - Lost control of the windows sent to monitor on HDMI, which xrandr doesn't detect - Unix & Linux Stack Exchange
![gnome - How to create virtual monitor with xrandr without increasing HDMI screen width? - Ask Ubuntu gnome - How to create virtual monitor with xrandr without increasing HDMI screen width? - Ask Ubuntu](https://i.stack.imgur.com/mwHEM.jpg)