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The game would still boot if it was using the wrong renderer. The error OP is describing happens when the default installation path is not updated to what the user identified, or one of the .pk4 files didn't install correctly. Unless there is an issue with one of the discs, a reinstallation of the game should fix it. You should also run the game once before applying the patches.Doom3 may not be using the best render path.
seta r_renderer "best"
// best, arb, arb2, cg, exp, nv10, nv20, r200, nv50
// ARB2 was the render path that Carmack had intended for
// NV30/R300 and newer cards to run on anyway......
https://steamcommunity.com/app/9050/discussions/0/1473095331494304732/
Maybe easier to use a source port like dhewm or fhdoom.
The game would still boot if it was using the wrong renderer. The error OP is describing happens when the default installation path is not updated to what the user identified, or one of the .pk4 files didn't install correctly. Unless there is an issue with one of the discs, a reinstallation of the game should fix it. You should also run the game once before applying the patches.
It is odd, indeed. It may be an issue with the retail version because I can't seem to find any instances of people having issues starting the game with the Steam version and the 5700 XT. I know the game has always had issues with ATi/AMD due to their half-assed OpenGL support, but the game would at least start. Seems odd to me that the issue you're having is not related at all to the video card (the "vid_restart" missing command is because the game can't access the cvar list), yet it is still having this issue.Let me just say this.
I firmly believe this is an AMD issue.
I have tried to install and run this on my computer using a 5700 XT and it simply refuses.
I can't tell you how many times I've uninstalled and reinstalled.
There is something in the files somewhere which is not allowing AMDs OpenGL paths to work correctly.
In DIRECT CONTRAST, using the SAME discs, installing, patching to 1.31 (before launching the game) the game runs flawlessly on my computer which
runs W10 and uses an nvidia graphics card. Both machines are otherwise nearly identical in their base components. Same motherboard, same CPUI, identical RAM and storage.
No problem.Thanks for following up and finding/posting a solution. Hopefully I never need it, but it's appreciated when you post the solution as so many people never come back for others to know the fix.