I have just upgraded to 18.04, and all of a sudden my HDMI is not connecting.
xrandr
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
eDP-1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1366x768 60.00*+
...
...
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 510 (rev 07)
Everything was working fine, before the upgrade. And I have no idea on where to start debugging. Anyone else has similar problem or an insight on how to fix it??