Until a few days ago I had my monitor connected via HDMI and it was working fine and I had even saved a display profile for it but at some point, the monitor has since stopped detecting the computer. When I replug the HDMI cable, the monitor displays “No HDMI signal from your device.” When I open the Qubes OS Display settings, the monitor does not show up as an option in the dropdown menu either. Both the monitor and HDMI cable have been tested working on Windows 11. How can I get the monitor to be detected by Qubes OS again?
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First of have you tried a different HDMI cable? Personally happens all the time they break.
Can you see that the display is connected when running xrandr in dom0? Can you see your device when running lspci (prob starts with VGA)?
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