Download the executable from the Samsung G40B Support Page . Run the .exe file and follow the on-screen prompts.
As of 2025, the G40B does not receive automatic driver updates via Windows Update. You must manually manage the process. Ignoring updates can lead to black screens at 240Hz, HDMI 2.0 limitations, and VRR flicker.
Do not turn off the monitor or unplug it during the update process.
Ensure the USB drive is formatted to FAT32. Check that the firmware file is extracted from its .zip archive and sits directly on the drive without being hidden inside a folder. The screen is locked at 60Hz after the update samsung odyssey g40b drivers upd
Word count: ~2,650 Last updated: March 2025 Disclaimer: This guide is not affiliated with Samsung Electronics. Always back up data before firmware updates.
Now your monitor’s EDID (Extended Display Identification Data) is correctly loaded.
This is the most important update for improving the monitor's performance and visual quality. Updating your monitor's firmware can unlock the full potential of your display. This process uses a USB flash drive. Before you start, be aware that the USB drive must be formatted to the filesystem. Download the executable from the Samsung G40B Support Page
To activate it:
This guide provides a straightforward, step-by-step walkthrough on how to safely download and install the latest drivers and firmware for your Samsung Odyssey G40B monitor. Why You Need to Update Your Monitor Drivers
Firmware updates are not released on a fixed schedule, and the version available (currently 1006.0) might be the latest for your specific regional model. Also, be aware that Samsung's support websites sometimes differ between countries. If you believe a newer version exists, you can contact your local Samsung support to inquire about a newer driver or firmware specific to your region. You must manually manage the process
Drivers handle how Windows interacts with the monitor, but firmware updates the internal software of the monitor itself. Follow these steps to update the firmware: Prepare the USB Drive
Even after installation, Windows may revert to the generic driver. To force the change: