If your laser cutter Ruida RD6442 / RD6445 DSP controller displays “Board Encrypted Contact Provider” (refer picture 1) or the software shows “Payment Tips: Remaining 0 Hour” (refer picture 2), follow the steps below to fix the issue.


Solution: Unlock the Mainboard
- Open RDWorks software on your computer.
- Click on the Config tab.
- Select Password Setting.
- Choose Unlock Mainboard. (refer picture 3)
- Enter the default password: rd8888.
- If the password is incorrect, contact your laser cutter provider to get the correct password.

Avoid Using Cracked Software
Using cracked versions of LightBurn or other software may cause this issue. Always use genuine software to avoid problems and ensure long-term functionality.
Contact Us for Assistance
If you are still experiencing issues, feel free to contact us for assistance.
Good luck! 🚀