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Game on Steam started giving D3D11 compatibility error when using Proton Experimental (lemmy.world)
submitted 3 weeks ago by [email protected] to c/[email protected]
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The game is The Entropy Centre. Midnight Fight Express, which I have finished right before, doesn't seem to be affected.

Since 2 days ago the game (not Steam) started returning the error:

"A D3D11-compatible GPU (Feature Level 11.0, Shader Model 5.0) is required to run the engine."

I am on LMDE6.

Proton Hotfix or Experimental or 9.0-4 are not working.

Proton 8.0-5 is the first one that works, but with some significant lagging, but I am positive I played the same version of the game using Experimental a few days ago with no lagging and on same Nvidia drivers (535.216.01).

An FPS counter titled VK (I guess from Vulkan) shows when running 8.0, while it didn't in Experimental.

I have tried resetting the shader precaching in the settings, but nothing changes.

The game was also uninstalled and reinstalled, to no avail.

Any tips for debugging this?

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[-] [email protected] 8 points 3 weeks ago

Try proton-ge. It's a build of proton with additional patches from the community.

You can use protonup-qt to install it (or protonup-rs for doing it via terminal/script)

[-] [email protected] 4 points 3 weeks ago

I actually have the same problem since a couple of days! Got that error with Age of Empires 2 and It takes two. Changed AoE2 to Proton 9 and it worked. No idea what's going on here.. Linux Mint with a GTX 1660 Super.

[-] [email protected] 2 points 3 weeks ago

I think experimental just rebased onto wine 10 so there may have been some regressions. Could also be completely unrelated, lot of moving parts.

this post was submitted on 03 May 2025
20 points (100.0% liked)

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