Public bug reported:
I've recently upgraded my ubuntu 25.04 to 25.10.
After the upgrade the external HDMI monitor is no longer detected with the
highest resolution
I am not using wayland but rather x11 with the i3 window manager
(Truncated) Output of xrandr
HDMI-1-0 connected 1360x768+3842+0 (normal left inverted right x axis y axis)
409mm x 230mm
1360x768 60.02*+
1280x800 59.81
1280x768 59.87
1280x720 60.00 59.94 50.00
1152x864 60.00
1024x768 60.00
800x600 60.32 56.25
720x576 50.00
720x480 59.94
640x480 59.94 59.93
while the highest resolution with 25.04 was 1900x1200 60Hz
I am using the propriary nvidia driver 580 installed by ubuntu-drivers
Also with the nouveau it doesn't detect at all the external monitor anymore.
Attached you can find the Xorg.0.log file
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/bugs/2130694/+attachment/5924184/+files/Xorg.0.log
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https://bugs.launchpad.net/bugs/2130694
Title:
After upgrade to 25.10 fails to detect external HDMI monitor maximum
resultion
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