It sounds like this problem may be limited to Wayland sessions (which
includes the login screen). Please try this workaround next time you
install 18.04:
Ctrl+Alt+F4, log in, edit /etc/gdm3/custom.conf and uncomment the line:
#WaylandEnable=false
Then reboot.
** Tags added: multi-monit radeon
*
Note THIS REPORT WRITTEN FROM A WORKING SYSTEM (16.04) ABOUT THE NON
WORKING UPGRADE (18.04).
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https://bugs.launchpad.net/bugs/1792822
Title:
dual monitor not working in 18.04(.1)
2 matches
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