![]() – If your device has user-replaceable batteries, please remove the batteries. – If your device is cabled, please unplug your device from your computer first. In the event your Logitech device needs cleaning we have some recommendations: You may see a spinning icon for a few minutes before the system reboots. At the prompt asking “Are you sure you want to restart the computer?” select Restart. Close this window using the red button on the top left.Ħ. You should see the “macOS Utilities” screen. – Hold the “ Command” and “ R” keys until the Apple logo appears.Ģ. From the menu bar, click on the Apple logo and select Restart. To fix this issue, please try the following steps: If the version displayed for is anything other than 1.3.9, then the new driver was not properly loaded by macOS Catalina. Launch Terminal from /Applications/Utilities folder,ģ. If your device still doesn’t work, please check the version of Unifying drivers that are on your system. You can download LCC 3.9.9 from the Logitech Control Center Download page. In the meantime, if your Unifying device no longer works after upgrading to macOS Catalina, please update to LCC 3.9.9 and reboot the system to complete the installation. This is a known issue on macOS 10.15 Catalina and we’re actively working with Apple to address it. We are aware that after upgrading from macOS 10.14 Mojave or earlier to macOS 10.15 Catalina with Logitech Control Center (LCC) versions 3.9.8 or earlier installed, some Logitech Unifying-based devices may stop working. MacOS Catalina and LCC – How to fix Unifying devices that do not work after update Information contained herein is subject to change without notice. Logitech assumes no responsibility for any errors that may appear in this manual. All other trademarks are the property of their respective owners. Mac and the Mac logo are trademarks of Apple Inc., registered in the U.S. Microsoft, Windows Vista, Windows, and the Windows logo are trademarks of the Microsoft group of companies. Logitech, the Logitech logo, and other Logitech marks are owned by Logitech and may be registered. If the USB Nano receiver is plugged into a USB hub, try plugging it directly into the computer.Remove metallic objects between the mouse and the USB Nano receiver.Check the USB Nano receiver change ports.USB Nano receiver storage Help with setup.Press down and slide to release battery door.Battery LED flashes red when battery power is low.Plug the USB Nano receiver into a computer USB port.Ĭongratulations! You are now ready to use your mouse.
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