HDMI is detected, but no output.   :(
kitepilot@dreamliner:~ > xrandr -q
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 381mm x 214mm
   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
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
kitepilot@dreamliner:~ > 


Matt Graham writes: 

> On 2016-03-17 08:35, kitepilot@kitepilot.com wrote:
>> Crappy cable!  Took laptop to Micro Center and they plugged it
>> there with a good cable to a 4K TV (in Window$)  All good... 
>> 
>> Bought a cable and plugged to my 4K TV. All good...
>> Linux still doesn't work.
> 
> https://wiki.archlinux.org/index.php/intel_graphics , down in the 
> "configuration" section, says that HD 530 chips like the one that's 
> supposed to be in your laptop may require additional configuration and/or 
> a kernel that's 4.3 or newer.  The other arch page at 
> https://wiki.archlinux.org/index.php/bumblebee says that it's probable 
> that the intel card is actually pushing most of the video out, and you 
> should probably start there with HDMI troubleshooting. 
> 
> What does "xrandr" say?  On my desktop, that says there are VGA, DVI, and 
> HDMI outputs available, which matches what's on the video card.  If xrandr 
> says there's no HDMI output, it might be necessary to add some options to 
> your /etc/X11/xorg.conf and have a look in your /var/log/Xorg.0.log for 
> anything related to HDMI. 
> 
> -- 
> Crow202 Blog: http://crow202.org/wordpress
> There is no Darkness in Eternity
> But only Light too dim for us to see.
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