Just got a new GPU, why is it so hard to use it? (slrpnk.net)

submitted 16 hours ago by OlPatchy2Eyes@slrpnk.net to c/linux@lemmy.ml

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Hey all, just got a Geforce 5070 to replace my 2070 from years ago. Ubuntu's been pretty smooth sailing for me until now, and I'm not exactly the best at navigating this stuff.

When Ubuntu starts to boot, the GPU stops outputting display to my monitor. As though it doesn't detect the new GPU. I tried putting the 2070 back in and downloading the 570 drivers but it didn't change anything. I found a tutorial for what seemed to be my issue that asked me to change the kernel, but halfway through the tutorial, commands that worked on their machine started failing on mine. I wish I'd documented what the error messages were because when I went to poke around more today, I got a message about kernel panic and can't even boot with the 2070. Where do I go from here?

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[-] db2@lemmy.world 3 points 14 hours ago

Is it sending HDR to a screen that can't display it

[-] OlPatchy2Eyes@slrpnk.net 1 points 14 hours ago

The monitors have high enough resolution. The one I have connected now is 2560x1440.

[-] osaerisxero@kbin.melroy.org 5 points 11 hours ago

HDR = High Dynamic Range. It's a different color format that non-HDR displays can't speak and output no input/blank screen/whatever the monitor does for a malformed video stream

this post was submitted on 11 Aug 2025

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