The permanent fix described by
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/1568604/comments/261 works for me.
sudo apt-get purge xserver-xorg-video-intel*
sudo reboot
Note the poster of this fix has a follow up comment about the broader video
driver removal also
*** This bug is a duplicate of bug 1872159 ***
https://bugs.launchpad.net/bugs/1872159
This bug also affected me after upgrading to Ubuntu 20.04.
Changing the grub boot options in `/etc/default/grub` to remove "quiet
splash" fixed the problem with having an external HDMI monitor plugged
in
Can confirm.
I have had this issue on every *buntu distro I've tried, including elementary
OS Luna which was based on 12.04.
I've tried the acpi=force etc in grub, updated grub, reinstalled grub, updated
BIOS, tried the 'echo on' to usb devices. None have solved the issue. At first
it was
