Moonlight
  • Welcome to Moonlight!
  • Getting Started!
  • GUIDES
    • Arduino Section
      • Arduino Leonardo Section
        • Arduino Leonardo Spoofing Guide
        • Leonardo + Moonlink Guide
      • Arduino Due Section
        • Arduino DUE Spoofing Guide
        • DUE + Moonlink Guide
        • Advanced Arduino Due Troubleshooting
    • OBS/NDI GUIDE
      • Simple Install
      • Advanced Install
      • Direct PC to PC link
    • Capture Card Guide
    • A.I. Install Guide for Darknet
    • Creating Datasets for Moonlight
      • Creating Datasets for YOLOv4 in Darknet
      • Creating Datasets for YOLOv8 +
  • OVERVIEWS
    • Moonlight Color Overview
    • Moonlink Overview
  • ABOUT MOONLIGHT
    • Our Solutions and How They Work
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On this page
  • Troubleshooting Moonlink Issues
  • 1️⃣ First-Time Login
  • 2️⃣ Moonlink Not Working After Login
  • 3️⃣ Device-Specific Checks
  • 5️⃣ Final Steps for Both Arduino Leonardo & Due
  • 6️⃣ If All Else Fails
  1. OVERVIEWS

Moonlink Overview

PreviousMoonlight Color OverviewNextOur Solutions and How They Work

Last updated 2 months ago

Troubleshooting Moonlink Issues

If you're experiencing issues with Moonlink, follow these steps to diagnose and resolve them:

1️⃣ First-Time Login

  • Register an Account:

    • Enter your username and password.

    • Input 1 of the following: Color, AI, or Moonlink key.

    • Ensure there are no extra spaces in the key field before clicking 'Register.'

2️⃣ Moonlink Not Working After Login

Check Folder Structure

  • Ensure there is only one Moonlink folder on your 2nd PC.

    • Multiple folders can cause conflicts.

Verify Firmware Upload

Make sure the correct firmware is uploaded to your Arduino:

  • For Arduino Leonardo: Upload the .ino.hex file.

  • For Arduino Due: Upload the .bin file.

3️⃣ Device-Specific Checks

For Arduino Leonardo Users

Check CP2102 Connection

  • CP2102 should be plugged into the 2nd PC.

  • Arduino Leonardo should be plugged into the Main PC.

  • Ensure all jumpers are properly connected.

Disable Power Management for CP2102

  1. Open Device Manager on the 2nd PC.

  2. Locate CP2102 under Ports (COM & LPT).

  3. Right-click CP2102 → Select Properties.

  4. Go to the Power Management tab.

  5. Uncheck "Allow the computer to turn off this device to save power."

  6. Click OK.

Try Different USB Ports & Restart PCs

  • Test with different USB ports on both PCs.

  • Restart both PCs if needed.

For Arduino Due Users

Check Both Micro USB Cables

  • Use high-quality cables that support both data and power (avoid charging-only cables).

  • Swap out cables to test if one is faulty.

Try Different USB Ports & Restart PCs

  • Test different USB ports on both PCs.

  • Restart both PCs if needed.

4️⃣ Check for Windows OS Related Issues

If you try to open the exe and you get a cv2 recursion error, it never opens, force closes, or something else, you may need to follow these steps.

  • Check for Windows updates

    • Windows search bar --> settings --> Windows Update --> Check for updates

  • Sync your clock

    • Windows search bar --> Time & Language --> Date & Time

    Windows 10

Windows 11

  • Install Visual C++ Redistributable Runtimes All-in-One

5️⃣ Final Steps for Both Arduino Leonardo & Due

  1. Open Command Prompt (CMD) (Do not run as administrator).

  2. Drag the Moonlink.exe file into the command window.

  3. Press Enter and check for any error messages.

6️⃣ If All Else Fails

  • Open a ticket in the Moonlink Discord server.

  • Click the Upload Logs button at the bottom of the sidebar.

  • This will send your current config and log file so we can assist you with troubleshooting.

Following these steps should help resolve most common issues!

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