AMD FirePro - second monitor

From	Jakob Miksch <info@jakobmiksch.eu>
Newsgroups	linux.debian.user
Subject	AMD FirePro - second monitor
Date	2020-07-06 23:10 +0200
Message-ID	<ApGxb-FS-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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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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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

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