Re: Second screen - DisplayPort

["Leo Famulari" <leo@famulari.name>]

DiaplayPort is a (mostly) display interface standard that is unrelated to HDMI:

https://en.wikipedia.org/wiki/DisplayPort

Amuza, does Linux register connections to your DisplayPort interface? You can check the output of dmesg.

What kind of CPU architecture are you using? Maybe some kernel config flag needs to be changed.

On Wed, Jun 23, 2021, at 12:27, Joshua Branson wrote:
> amuza <amuza@riseup.net> writes:
> 
> > Hello!
> >
> > I'm new to Guix system, yesterday I installed it for the first time. I
> > installed it with i3 and Mate.
> >
> > I would like to use my second monitor, but its DisplayPort connection is
> > not recognized by xrandr. xrandr only shows my own laptop's screen.
> >
> > If I connect my second monitor through VGA, xrandr does detect that VGA
> > connection.
> >
> > The DisplayPort connection worked fine with Trisquel, I could use my
> > second monitor, so I guess it's not an issue on software Freedom.
> 
> I wish I knew how to help...What's the main difference between HDMI and
> display port?  Does display port allow one to send video and audio down
> the wire?
> 
> >
> > Any suggestion on how to make Guix detect my DisplayPort-connected monitor?
> >
> > Thank you!
> >
> 
> --
> Joshua Branson (joshuaBPMan in #guix)
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> 
>