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AMD FirePro - second monitor

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  AMD FirePro - second monitor Jakob Miksch <info@jakobmiksch.eu> - 2020-07-06 23:10 +0200
    Re: AMD FirePro - second monitor Zenaan Harkness <zenaan@freedbms.net> - 2020-07-08 02:00 +0200
      Re: AMD FirePro - second monitor Jakob Miksch <info@jakobmiksch.eu> - 2020-07-13 18:30 +0200

#224459 — AMD FirePro - second monitor

Hello everybody,

I am running Debian "Sid" on a desktop PC with the "AMD ATI FirePro 
W5100" graphics card. When I connect a second monitor, Debian recognizes 
it but the monitor stays black. I can even move windows on it, but I 
cannot see them.

On the same computer is a Windows 10 partition on which the connection 
of both monitors works without problem.

I have installed all drivers like described here 
https://wiki.debian.org/AtiHowTo . I also tried to install the 
proprietary driver from the AMD website. Everything without success.

Do you have any idea what the problem could be?

I am happy about any hint.
Thanks and best wishes,
Jakob

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#224546

On Mon, Jul 06, 2020 at 10:57:05PM +0200, Jakob Miksch wrote:
> Hello everybody,
> 
> I am running Debian "Sid" on a desktop PC with the "AMD ATI FirePro W5100"
> graphics card. When I connect a second monitor, Debian recognizes it but the
> monitor stays black. I can even move windows on it, but I cannot see them.
> 
> On the same computer is a Windows 10 partition on which the connection of both
> monitors works without problem.
> 
> I have installed all drivers like described here
> https://wiki.debian.org/AtiHowTo . I also tried to install the proprietary
> driver from the AMD website. Everything without success.
> 
> Do you have any idea what the problem could be?
> 
> I am happy about any hint.
> Thanks and best wishes,
> Jakob


I assume you are using some version of RandR?

Try searching the packages for "randr".

I use "xrandr" for scripting, but also the XFCE desktop's normal settings dialog for "Monitors" which runs the xfce4-display-settings program.

Good lick,

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#224752

[Multipart message — attachments visible in raw view] — view raw

I am using the standard display config tool from GNOME.

In the meanwhile I figured out that the second monitor actually works on 
a lower resolution. I do not understand why. This "fix" is not ideal, 
but for my use case acceptable.

I connected my two monitors with a laptop that is also running Debian, 
there everything works without problem - also on the highest possible 
resolution.

Thanks though for your response.


On 08.07.20 01:54, Zenaan Harkness wrote:
> On Mon, Jul 06, 2020 at 10:57:05PM +0200, Jakob Miksch wrote:
>> Hello everybody,
>>
>> I am running Debian "Sid" on a desktop PC with the "AMD ATI FirePro W5100"
>> graphics card. When I connect a second monitor, Debian recognizes it but the
>> monitor stays black. I can even move windows on it, but I cannot see them.
>>
>> On the same computer is a Windows 10 partition on which the connection of both
>> monitors works without problem.
>>
>> I have installed all drivers like described here
>> https://wiki.debian.org/AtiHowTo . I also tried to install the proprietary
>> driver from the AMD website. Everything without success.
>>
>> Do you have any idea what the problem could be?
>>
>> I am happy about any hint.
>> Thanks and best wishes,
>> Jakob
>
> I assume you are using some version of RandR?
>
> Try searching the packages for "randr".
>
> I use "xrandr" for scripting, but also the XFCE desktop's normal settings dialog for "Monitors" which runs the xfce4-display-settings program.
>
> Good lick,
>

-- 
Jakob Miksch
Geospatial Development
Website <https://jakobmiksch.eu/>׀ Twitter 
<https://twitter.com/jakobmiksch>| GitHub <https://github.com/jakobmiksch>

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