Logitech MX Master 4 Not Connecting to Dongle? Step-by-Step Fix with Logi Options+

Troubleshooting MX Master 4 Dongle Connection

• 💡 If your Logitech MX Master 4 mouse is not connecting to its original dongle, this guide provides a step-by-step solution.
• ⚠️ The issue often arises when the mouse is not detected, doesn't move, or doesn't respond after plugging in the receiver.

Setting Up Logi Options+

• 💻 First, download and install the Logi Options+ application on your computer.
• 🔌 Connect the original receiver (dongle) to your PC. If you don't have a USB-C port, use an adapter.
• 🔍 Once connected, the receiver should automatically appear in the Logi Options+ application.

Pairing the MX Master 4 Mouse

• 🖱️ In the Logi Options+ app, click the 'Add device' button and select your mouse.
• 👆 Select the correct source on your MX Master 4 mouse (e.g., Source 1) by pressing and holding the source button until it blinks.
• ✅ The application should then detect the MX Master 4. Click 'Connect' to initiate the pairing process.

Verifying the Connection

• ⌨️ Follow the on-screen prompts in Logi Options+ to verify the connection. This involves a sequence of clicks (left, right, both).
• 🎯 If the initial verification fails, try the sequence again, paying close attention to the order of clicks.
• 🎉 Once successfully paired, your MX Master 4 should be working correctly, allowing you to move the cursor and use the buttons.