Linux Mastering Development

Second screen is recognized by xrandr but stays black

After two weeks of not using my machine I have the following issue:

  • I have two connected screens
  • The second one (Apple screen) is connected and recognized by xrandr, but stays black.
  • If I change the display config the working screen even only shows half of the output, so the system seems to think the Apple screen is working. However no of my ongoing xrandr efforts have switched it on.

What can I try to solve this problem?

OS: OpenSUSE Leap 15.1

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