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Log-in gui screen blank but usable?
(lemmy.ca)
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this post was submitted on 21 Nov 2023
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Ehhrrm yes, so about those 2 displays...
My desktop is connected to my dell monitor and my samsung TV so I can watch stuff in bed, but it's always off and I never thought my log-in page was appearing on that monitor considering it isn't enabled... but it is, just for that instance.
So, that mystery is resolved.
But it's unwanted. The second monitor isn't active. Despite being on single-display mode, it still activates my other monitor, but ONLY for the log-in (Samsung is 'on' but no signal any other time). I tried fiddling with '~/.config/monitors.xml', but that didn't go well haha...
Regarding the two GPU's, I'm glad I wasn't just trippin' on myself - that looked weird, right? But I haven't encountered a single notable issue I can trace back to it. 'nvidia-smi' is displaying happy numbers, my high-demands are being met. I'm hoping to ignore it until it becomes a major culprit down the line.
Regarding drivers - I've actually already had to reinstall my Nvidia drivers since the ones I had were causing constant crashing. Apparently a common issue. At the very least, it did not resolve my issue. Hopefully the above revelations help though :)
Oh my bad so both were external monitors, don't remember why I thought one of them was a laptop screen. At least the issue got narrowed down a bit. I haven't touched GNOME or GDM in years so I'm not sure but shouldn't you also copy your
monitors.xmlto/var/lib/gdm/.config/? There's also this about changing that file and which assumes the existence of agdmuser under which thegdmprocess runs but I'm not sure if that's applicable to Pop OS: https://discourse.gnome.org/t/how-do-you-configure-your-displays-for-gdm/13762About the AMD APU, if it's not causing any issues it's probably not worth the hassle to disable it in the BIOS (if that's even possible), I'm not familiar with those setups but modern Nvidia GPUs can switch to the integrated GPU to save power and that's normally supported on Linux.