RESOLVED
Hello
I applied your recommendation by placing nvidia-drm.modeset=1 in
etc/default/grub
and confirmed with
cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.13.0-35-generic
root=UUID=c8e08c76-0308-495c-8c5a-83f9aa24b1a0 ro nvidia-drm.modeset=1
I replaced the Nvidia 470 driver with the overrid
** Changed in: mutter (Ubuntu)
Status: Incomplete => New
** Changed in: nvidia-graphics-drivers-470 (Ubuntu)
Status: Incomplete => New
** Summary changed:
- [nvidia] One monitor remains black on startup or resume from sleep
+ [nvidia][Xorg] One monitor remains black on startup or r
Thank you very much for your help.
It is the LG on Displayport or Hdmi that stays black. I have noticed
that when in a dual monitor there is a VGA port connected it is always
the VGA port that is recognized in both Linux and Window; I think that
this is the characteristic of the X86 architecture
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
** Changed in: nvidia-graphics-drivers-470 (Ubuntu)
Status: New => Incomplete
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ht
Maybe try enabling Wayland and then see if logging into 'Ubuntu on
Wayland' avoids the problem.
To enable Wayland you will need to change the kernel parameter:
nomodeset
to:
nvidia-drm.modeset=1
and then run:
sudo update-grub
and reboot.
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You received this bug notification because
Is it the IBM or the LG monitor that remains black?
I can't see any hints of a problem in the log. It sounds like maybe
GNOME can't uniquely identify one of the monitors and so can't remember
its preferred setting.
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
--
** Summary changed:
- [nvidia] One monitor fails to wake after resuming from sleep
+ [nvidia] One monitor remains black on startup or resume from sleep
** Changed in: nvidia-graphics-drivers-470 (Ubuntu)
Status: Incomplete => New
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