this post was submitted on 05 Oct 2025
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I've recently been unable to use my computer running Fedora 42 with gnome. It boots up, and GDM starts running, however it shows a flat grey screen with no login option. I can pull up a tty and login as normal (although using gnome-session to start a GUI session from there doesn't work). I have tried to use systemctl to restart GDM from the tty, but that l brings me back to square one. What can I do from here to resolve this issue?

GPU: Radeon 7800xt, Open Source Drivers Window System: Wayland.

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[–] glitching@lemmy.ml 6 points 2 weeks ago (1 children)

if you're savvy enough to know about gdm, you're savvy enough to know to include at least some details, like what graphics you're running, X11/Wayland, etc.

[–] Lime66@lemmy.world 1 points 2 weeks ago

Edited to include now

[–] Lime66@lemmy.world 5 points 2 weeks ago (1 children)

UPDATE: Resolved, it was an issue caused by a faulty display port cable. Different issues from this cable had happened recently, I just initially assumed it was a software issue due to the fact that only GDM was affected.

[–] just_another_person@lemmy.world 1 points 2 weeks ago

Can you mark title as resolved?

[–] harcesz@szmer.info 2 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Last time I had a similar-ish issue it was some graphic card drivers failing. Ones I didn't even need nor could use but somehow ended installed. Check the log from the boot sequance. Generally its Linux - you'll find answers in some log.

Or just purge and reinstall GDM. (your expiriance may vary)

[–] Lime66@lemmy.world 1 points 2 weeks ago

Logs, as in what shows up in journalctl? Also, when you suggest purging and reinstalling gdm, what issues are you saying I might run into?

[–] oeuf@slrpnk.net 1 points 2 weeks ago (1 children)

Have you tried booting from an older kernel? When I was on Fedora I had things like this happen from time to time and would always go back to one of the archived kernels and wait for another update.

[–] Lime66@lemmy.world 3 points 2 weeks ago

Will likely roll back in grub on the next boot. Thanks for reminding me I can do that

[–] rozodru@piefed.social 1 points 2 weeks ago (1 children)

I'm not up to speed on GNOME, not a fan of it, but can't you just try a different DM? like SDDM? would that work? seems silly that GNOME would lock you into their DM.

[–] Lime66@lemmy.world 1 points 2 weeks ago (1 children)

It would work, but likely only as a temporary fix. Unless I intend to switch away from GNOME permanently, I'd be unable to lock my screen, since GNOME uses GDM specifically for screen locking.

[–] rozodru@piefed.social 1 points 2 weeks ago

eesh, that would be a deal breaker for me.

[–] gi1242@lemmy.world 1 points 2 weeks ago

honestly on single user machines I uninstall a display manager. autologin on console, and put a few lines in my zshrc to start my wm automatically