Thanks for the bug report. This may be caused by:
* The Intel kernel graphics crash mentioned in CurrentDmesg.txt
* An Nvidia driver problem (if the HDMI port is wired to the Nvidia GPU)
* Something else
Firstly, to see if we can stop the Intel graphics crash from happening
please try adding this to /etc/environment:
MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0
and then reboot.
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
** Also affects: nvidia-graphics-drivers-515 (Ubuntu)
Importance: Undecided
Status: New
** Tags added: hyb i915 nvidia rid
** Tags removed: hyb rid
** Tags added: hybrid
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: nvidia-graphics-drivers-515 (Ubuntu)
Status: New => Incomplete
** Tags added: multimonitor
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1983815
Title:
no detection of the hdmi display moinitor
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1983815/+subscriptions
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