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Everything used to work until recently. Now, whenever I connect my HDMI monitor to my laptop nothing happens. Running xrandr doesn't show the HDMI output. Can anyone help out? I've been trying to fix this for the last 3 hours. I even reinstalled unity but that didn't work.

I'm on 14.04 ubuntu.

Any help is appreciated!!

Vladimir

xrandr Screen 0: minimum 320 x 200, current 1360 x 768, maximum 32767 x 32767 eDP1 connected primary 1360x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.1 + 59.9 40.0 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) VIRTUAL1 disconnected (normal left inverted right x axis y axis)
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1 Answer 1

Reset to default
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Ok, after a sleepless night of googling and trying things out (like reinstalling unity and the x drivers), I decided to try out Intel's approach. Apparently they officially support linux and they have a graphics driver installer (link below). After downloading and installing everything started working again.

I'm in Ubuntu heaven again.

Enjoy!

https://01.org/linuxgraphics/downloads/2014/intelr-graphics-installer-linux-1.0.7

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  • I had the same problem, but fixed it by booting into another distro that used a different version of XRandR to 'turing on HDMI' there then rebooting back into the problematic distro. I think the intel graphics driver must have some setting that persists across boots that causes the HDMI to be hidden. Commented May 2, 2017 at 21:47
  • I had a similar issue on Arch/Antergos recently. Reinstalling the Intel drivers xf86-video-intel fixed it for me. Commented Jul 27, 2019 at 0:45

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