No video after monitor change

Getting your soundcard to work, using Debian on non-i386 hardware, etc

No video after monitor change

Postby robert6107 » 2020-06-24 18:55

I first installed Buster on 1/29/20. Initially I had no video (with an RX480 GPU) but installed the firmware-amd-graphics package in rescue mode. At that time I was using an HD monitor and set the display in Buster accordingly, to 1920x1080.
I then switched to a 4HD monitor, the LG24UD58-B. Windows, Ubuntu, and Fedora were satisfied with it, but the display was blank in Debian. (There's some bleed-through, so I think the monitor is getting a signal.) No login screen appears.
I'm wondering if anyone knows how to fix this? I imagine that returning to the other monitor would solve it, but I don't consider this a desirable solution.
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Re: No video after monitor change

Postby ruwolf » 2020-06-26 02:10

What do you see in Xorg.0.log (It is usually in /var/log/)?
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