Samsung Odyssey G40b Drivers Upd May 2026

Note for NVIDIA Users: Even after installing the driver, if G-Sync isn't working, go to Change Resolution in the NVIDIA Control Panel and ensure the "Output Dynamic Range" is set to Full (often defaults to Limited on unrecognized monitors).

Hope this helps anyone struggling to get their G40B fully set up! samsung odyssey g40b drivers upd

Even after installation, Windows may revert to the generic driver. To force the change: Note for NVIDIA Users: Even after installing the

Now your monitor’s EDID (Extended Display Identification Data) is correctly loaded. Even after installation, Windows may revert to the

Cause: Generic driver not reporting correct EDID over HDMI (HDMI 2.0 tops at 144Hz on 1440p). DisplayPort is required for 240Hz.

Fix: Install the official Samsung driver and force it per Part 2. Then, in NVIDIA Control Panel → Change resolution → Under “PC” section, select 1920x1080 (for 25″) or 2560x1440 (for 27″) and choose 240Hz.