Use the search bar on the support page and enter your exact model code (e.g., or S27BG40 depending on your screen size).

Installing specific Windows drivers (latest version 1.0) ensures your PC correctly identifies the monitor and its supported refresh rates. 27" Odyssey G4 G40B FHD 240Hz Gaming Monitor - Samsung

Solution : This almost always happens because the USB drive is not formatted correctly (it must be FAT32) or the firmware file is in a subfolder. Ensure the .img or .bin file is in the root directory of the USB drive. Also, ensure you have downloaded the correct firmware for your specific model number; using a file for a different monitor will not work.

Here’s a solid, technical write-up regarding driver updates for the (model code: LS27BG40x, LS25BG40x).

Press the joystick button to open the OSD menu, navigate to , and select Software Update .

Resolves screen flickering, intermittent black screens, or failure to wake from sleep mode. Step 1: Check Your Current Driver and Firmware Version

Make sure you downloaded the exact firmware matching your region and model code.

The only truly reliable method remains .

Scroll down to the or Manuals & Software section. You will typically find two types of files:

Even after installation, Windows may revert to the generic driver. To force the change: