Connecting multiple external screens to Ubuntu Linux

[Omer Zak]

Hello Gabor,

I use a Lenovo Ideapad Y700 to which are connected two displays in
addition to its native display.

You may find the following blog article to be of some use:
https://tddpirate.zak.co.il/2019/10/13/displaylink-y700-debianbuster/
(Get DisplayLink to work on Lenovo Y700 after upgrade to Debian Buster)

Regards,
--- Omer Zak



On Sat, 2020-06-13 at 14:31 +0300, Gabor Szabo wrote:
> Hi,
> 
> I have a Thinkpad ( 
> https://www.lenovo.com/il/en/laptops/thinkpad/13-series/ThinkPad-13-Windows-2nd-Gen/p/22TP2TX133E
> ). It has a single HDMI slot but when I run xrandr I get:
> 
> Screen 0: minimum 320 x 200, current 1920 x 2160, maximum 16384 x
> 16384
> eDP-1 connected 1920x1080+0+1080 (normal left inverted right x axis y
> axis) 294mm x 165mm
> .....
> HDMI-1 connected primary 1920x1080+0+0 (normal left inverted right x
> axis y axis) 510mm x 287mm
> ....
> DP-1 disconnected (normal left inverted right x axis y axis)
> HDMI-2 disconnected (normal left inverted right x axis y axis)
> 
> (The .... are just lots of lines of possible configuration).
> 
> Based on this (and on my lack of understanding) I could connect
> another monitor to DP-1
> and one to HDMI-2, but I don't know where can I plug them in
> physically?
> 
> If I understand correctly an HDMI-splitter might work, but the
> screens connected to that would show the same image. (Mirror
> configuration.) I would like to have different content on each
> screen.
> 
> Any idea?
> 
> In a more generic question: what do I need in my computer so I can
> have more than 2 displays showing different(!) content? Do I need a
> separate graphics card for each display?


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