Mickey: Galaxy Book 4 - HDMI Connection Problems with Ultrawide Monitor and MX570 A (dGPU...

Hello, I recently purchased the Galaxy Book 4 (entry-level version) with the Intel Core 7 150U and the dedicated MX570 A graphics card (model: NP750XGL-XG1BR)

The issue is as follows: when connecting an ultrawide monitor via HDMI, I cannot set 21:9 resolutions, only 16:9 ones.

I'm not sure if the HDMI version has anything to do with this or not.

Another detail is that the MX570 A is never used for the external monitor, only for heavier programs or games.

I went to a store...

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