this post was submitted on 16 Feb 2025
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artifacts on screen with Nvidia drivers when using an ultrawide monitor (lemmy.world)
submitted 1 week ago* (last edited 1 week ago) by philthi@lemmy.world to c/linux_gaming@lemmy.world
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Hey everyone,

I have a gaming laptop with fedora installed and in general have no problems with it. However I would like to play some games on it from Steam.

So I installed the Nvidia drivers and when the laptop is not using an external monitor it's great, the games performance are 10/10.

However I most often use my laptop plugged into an ultrawide monitor and when I do that with the Nvidia driver active all sorts of strangle artifacts show up on the screen and the edges go blue and shudder, this slowly gets worse over the course of about 15 minutes until I cannot use the laptop at all and need to reboot.

Using the built in drivers the ultrawide monitor is completely fine, but games run very poorly.

Does any one have any experience with this, and any idea if there's something I can do to correct it?

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[–] tal@lemmy.today 1 points 1 week ago* (last edited 1 week ago) (7 children)

However I most often use my laptop plugged into an ultrawide monitor and when I do that with the Nvidia driver active all sorts of strangle artifacts show up on the screen and the edges go black and shudder, this slowly gets worse over the course of about 15 minutes until I cannot use the laptop at all and need to reboot.

Is this in games?

I'm guessing, but that might be your GPU overheating, and the laptop not having sufficient cooling to keep it from doing so and/or the fan settings not being aggressive enough. I assume that the monitor is a higher refresh rate and/or resolution than your laptop's display, which is why you're using it.

Does the problem go away if you set the external monitor to a low resolution/refresh rate?

EDIT: If so, while I don't have experience with the utility myself, it looks like it's possible to adjust throttling on Nvidia GPUs via the nvidia-smi utility (nvidia-smi -pl), if you can't improve the cooling situation.

[–] philthi@lemmy.world 1 points 1 week ago* (last edited 1 week ago)

Just to confirm too, I've reinstalled the drivers and had it on the desktop for a while, the issue is very clear (I've uploaded some photos) but the GPU temperature is at 50°C.

Unfortunately, I cannot change the refresh rate, it's the same as with the default driver: 59.12.

It does go away on lower resolutions, which is interesting but none of the lower resolutions are a good ratio for my monitor.

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