Frequently Asked Questions

Troubleshooting M1 HES Keyboard Backlight Issues After Firmware Upgrade


These steps are specific to the M1 HES keyboard. Applying them to other keyboards may lead to bricking. Please follow these instructions:

1. Flash Separate LEDV103 Firmware:

   It is recommended to flash the separate LEDV103 firmware available at [LEDV103 Firmware].

   – Download all files from the provided link.

   – Execute `royuan_tool.exe` to initiate the upgrade.

   – Ensure your keyboard and mouse remain stationary during the update.

2. Manual Firmware Reversion and Upgrade:

   If the LEDV103 update fails, consider using the manual firmware updater to revert to v104. Then, utilize the MonsGeek Driver to upgrade the firmware to v105. Access the manual firmware updater at [Firmware Reversion and Upgrade].

3. Further Assistance:

   If the issue persists or you encounter difficulties, please reach out to for dedicated support.

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