HVM Linux without the full resolution of monitor

I ran these commands:
Open your StandaloneVM testqube console from dom0 terminal:

qvm-console-dispvm testqube

Run this command in testqube console:

sudo apt remove --purge qubes-gui-agent
sudo systemctl set-default graphical.target

Then enable debug mode for this testqube using GUI Settings → Advanced tab → “Run in debug mode” or using dom0 terminal qvm-prefs testqube debug True.
And also change Virtualization mode using GUI Settings → Advanced tab → Virtualization to HVM mode or using dom0 terminal qvm-prefs testqube virt_mode hvm.

But clipboard sharing won’t work since it’s handled by qubes-gui-agent.
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I needed to do that to have a good use of my Drawing Tablet. However, the qube that i ran all these commands, don’t display the full resolution of my monitor (1920x1080). In the display, i only have 1280x720 as maximum resolution. How can i fix that? I need to use fullscreen.

Didn’t solved.


Maybe i have to say that it only happens with this specific qube that i ran all these commands. When i create standalone VMs with ISO instead, this problem doesn’t happen.

I don’t know how to fix it, but you can try to use a VNC server and client in the same qube co connect to its full desktop as an alternative: