The Sims 4 and DX11 for dual GPU
TIP FOR THIS SPECIFIC PROBLEM:
If you're running The Sims 4 on a dual GPU system that is DX11-capable and should run DX11 by default as of the September 2024 patch but your game will not automatically start in DX11
Go to your gaming GPU control panel and set global settings to default to your high performance processor.
Details (NVIDIA-specific) —
On a Windows 11 PC, open NVIDIA Control Panel. Chose the following option: 3D Settings > Global settings > High performance NVIDIA processor
It might also be required to do the following, if changing the global setting as above does not work alone: Windows System > Display > Graphics > The Sims 4 > Options > High performance
Apparently, the game detects your system default GPU, rather than the GPU assigned to actually run The Sims 4.
So, if you have a dual graphics processor system, and your native GPU does not support DX11 / is not supported by The Sims 4 for DX11, even if your game is running on a high performance GPU, you will have to change your global default for the system to that supported GPU.
I play on a machine with an internal Intel UHD Graphics included with the Intel Core i7 processer and an integrated NVIDIA GeForce RTX 3050 Ti Laptop.
Although I set the game to run using the NVIDIA GPU (Windows System, above); the game's config.log file confirmed that this was working as expected; and I confirmed updated drivers and even launched the game via the app NVIDIA GeForce Experience... the game still launched in DX9.
When I changed the global setting in the app NVIDIA Control Panel, the game launches in DX11, as expected.
Please feel free to share this anywhere you think it could be useful.
I posted about this in the appropriate EA Answers HQ thread, where I was helped by other users (puzzlezaddict, espeon9466, MapleSimmer), but I'm not super active in the online TS4 community these days so I'm not sure where else it would be helpful.
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