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#1 2020-03-20 17:40:33

kapqa
Member
Registered: 2019-01-02
Posts: 155  

(Solved)triple monitor setup - third monitor not recognized?

Hello ,

i have tried Beowulf on 2 of my Computer and with both i have the same problem:

one of three monitors gets no picture / remains dark after login.

during bootup all three monitors are connected/and visible.


pc1
amd a10-9700
with integrated r7 graphics
connected with dvi, hdmi to dvi, vga

pc2
ryzen 5 2600
rx 560
connected with dvi, hdmi to dvi, dp to dvi.

both pc have firmware-amd-graphics and linux-firmware-(nonfree) installed.

on ubuntu all 3 monitors are happily recognized and active after login, same on debian buster (only after installing the necessary firmware though).

Last edited by kapqa (2020-03-20 17:44:19)

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#2 2020-03-20 17:43:57

kapqa
Member
Registered: 2019-01-02
Posts: 155  

Re: (Solved)triple monitor setup - third monitor not recognized?

sorry, i found out how to do it:

in arandr, i needed to activate the third monitor first (tick box).

now the three monitors are showing up.

many thanks!
(solved)

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