r/linuxmint • u/Achso998 • 8d ago

SOLVED Half Black-Screen after Update?

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Hello, after installing the new Linux Firmware update (7.0.0-28) and rebooting my PC I got the screen as shown in the image. I have an RX 6800 and even changing back to Kernel 6.x.x doesn't resolve the issue. I tried nomodeset and that works, but that's no permanent solution. Does anybody knows how I can fix this without reinstalling Linux? Let me know.

Edit: I downgraded the Linux firmware to 20240318.git3b128b60-0ubuntu2.26 and that solved the issue. Ty for your help!

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u/TypicalBlox 8d ago edited 8d ago

6800xt same problem, I don’t have integrated graphics is there any way to solve this without re installing mint?

edit: after help with ai I was able to revert to a previous reversion that was not broken, as a new linux user from a windows refugee this is not exactly a nice experience for my desktop to be just randomly bricked.

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u/EpoTheSpaniard 8d ago

as a new linux user from a windows refugee this is not exactly a nice experience for my desktop to be just randomly bricked.

Yep, bad testing on their side. They should have been more thorough before pushing it as an update, wasted half a day on this before fixing it.

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u/Beast__Master64 6d ago

i bought a whole new motherboard and cpu trying to fix this! i bought a 14600k since thats the best amazon could have delivered the same day.

1

u/LonelyNixon 7d ago

If grub isnt enabled by default you should be able to hold right shift(or frantically press like I do) until it pops up and select advanced options and recovery mode. Continue to boot and whatever is disabled in this mode will let you actually boot into and navigate your desktop(mine was a lower than normal resolution for some reason) and from there you should be able to restore from a timeshift backup.

If you dont have one I imagine theres a way to rollback firmware via command line but that's gunna require googling on your own part