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#1 2014-06-25 21:15:51

Dragon707
Member
From: The Netherlands
Registered: 2013-06-04
Posts: 61
Website

[SOLVED|ALTERNATIVE] Tripple screen using MST mode isnt working?

Hi,

I have a strange problem with my Arch setup, today my three Dell Ultrasharp U2414H arrived. everything has setup and works perfectly on Windows8.1. However, when i boot to my Arch disk i've got a strange problem, after i started X11 (using startx) from TTY1 i got a blank screen and all my monitors go to standby.

When i disable MST (Disable DisplayPort 1.2) on my monitors X starts without problems, but then my screens are all mirrored.

Does someone knows how to solve this problem ?

Solution:
I bought 2 HDMI to DVI cables, and attached each monitor to my videocard instead of using the MST Daisy Chainging.

Last edited by Dragon707 (2014-06-27 15:25:51)


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#2 2014-06-25 22:18:09

thisllub
Member
From: Northern NSW Australia
Registered: 2007-12-28
Posts: 231

Re: [SOLVED|ALTERNATIVE] Tripple screen using MST mode isnt working?

Not sure if this is what you mean but I use xrandr to set my monitor.
e.g.
    xrandr --output VGA1 --mode 1680x1050 --left-of LVDS1
run xrandr with no parameters to find out the names and capabilities of the devices.

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#3 2014-06-26 11:31:42

Dragon707
Member
From: The Netherlands
Registered: 2013-06-04
Posts: 61
Website

Re: [SOLVED|ALTERNATIVE] Tripple screen using MST mode isnt working?

Thanks for your reply!

When i try to run randr (to show my displays) it says none. I guess that i first have to start X11 before randr can detect any screens/monitors.


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