Logitech MX Master 4 Not Detected in Options+? Fix Connection Issues

Initial Troubleshooting Steps

• 💡 Ensure your Logitech MX Master 4 mouse is powered on and has sufficient battery life.
• 🔌 If connected via USB, try switching to a different USB port.
• 🖱️ Verify the mouse is properly paired via Bluetooth, or connected using a Logi Bolt or Unifying receiver.

Bluetooth Re-pairing Process

• ❌ Go to your computer's Bluetooth settings and unpair the mouse by selecting 'Remove device'.
• ✨ Reconnect the mouse by holding down the switch button until the light flashes, then add it as a new Bluetooth device.
• ✅ After re-pairing, check if the mouse is detected in the Logitech Options+ application.

Software Reinstallation and Alternatives

• 💻 If re-pairing doesn't work, reinstall the Logitech Options+ application. Download the latest version from the official Logitech website for your operating system (Windows or macOS).
• 🛠️ Run the installer and choose to reinstall Options+, which will clean and install a fresh version of the software.
• 🚀 As an alternative, install the Logitech Tune application, which is known for better device detection. Download and install it from the Logitech website.

Advanced Troubleshooting

• 🔄 After installing Logitech Tune and confirming it detects the mouse, reopen Logitech Options+.
• Restart your computer if the mouse is still not detected.
• 📱 If issues persist, try connecting the mouse to a different computer to rule out device-specific problems.
• 🆘 If the mouse is still not detected on another device, contact Logitech customer support for further assistance or to arrange a repair/replacement.