I think this is probably a bug in 'mutter'. Less likely a bug in 'gnome-
control-center' or 'xorg-server'.
** Summary changed:
- Secondary screen detected but black screen with Intel UHD graphics on kernel
5.9
+ HDMI monitor detected but black screen (has a preferred mode but no current
mode) with Intel UHD graphics on kernel 5.9
** No longer affects: linux (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => New
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Also affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags added: multimonitor
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https://bugs.launchpad.net/bugs/1907870
Title:
HDMI monitor detected but black screen (has a preferred mode but no
current mode) with Intel UHD graphics on kernel 5.9
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