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I have a Xubuntu machine using two displays which worked fine, now they aren't recognized by the system. They are plugged to the machine and powered. This is the xrandr output:

$ xrandr Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 32767 x 32767 eDP1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 382mm x 215mm 1920x1080 60.0*+ 59.9
1680x1050 60.0 59.9
1600x1024 60.2
1400x1050 60.0
1280x1024 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis)

This is on linux...win10 recognizes them just fine.

  • Did you tried to connect to same machine but with another monitor/cables to discard hardware issues?, you may also want to try the same monitor/cables into another machine. – bistoco Mar 9 '18 at 15:55
  • Yes, did that to no avail. – Leprosy Mar 9 '18 at 16:25
  • I only found Intel's drives related solutions and others with xorg.conf and nvidia/nouveau drivers. Did you by any chance updated your video drivers? – bistoco Mar 9 '18 at 17:31
  • @Leprosy, did you ever resolve this? – Ross Rogers Sep 14 '18 at 16:01

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