If your mouse or keyboard stops working during a firmware update and starts to blink repeatedly red and green, this means the firmware update has failed.

Use the instructions below to get the mouse or keyboard working again. After you download the firmware, select how your device is connected, either using the receiver (Logi Bolt/Unifying) or Bluetooth and then follow the instructions.

1. Download the Firmware Update Tool specific to your operating system.
2. If your mouse or keyboard is connected to a Logi Bolt/Unifying receiver, follow these steps. Otherwise, skip to Step 3.
   • Make sure to use the Logi Bolt/Unifying receiver that originally came with your keyboard/mouse.
   • If your keyboard/mouse uses batteries, please take the batteries out and put them back in or try replacing them.
   • Unplug the Logi Bolt/Unifying receiver and reinsert it into the USB port.
   • Turn off and on the keyboard/mouse using the power button/slider.
   • Press any button on the keyboard/mouse to wake up the device.
   • Launch the downloaded Firmware Update Tool and follow the on-screen instructions.
   • If your keyboard/mouse still does not work, please reboot your computer and repeat the steps at least two more times.

      

3. If your mouse or keyboard is connected using Bluetooth and is still paired to your Windows or macOS computer:
   • Turn off and on your computer's Bluetooth or reboot your computer.
   • Turn off and on the keyboard/mouse using the power button/slider.
   • Launch the downloaded Firmware Update Tool and follow the on-screen instructions.
   • If your keyboard/mouse still does not work, please reboot your computer and repeat the steps at least two more times.

      

Do not remove the device pairing from the System Bluetooth or Logi Bolt when the device is blinking red and green.

If the issue persists, please contact our customer support team.