If your MX Keyboard doesn't turn on the keyboard backlight after you wake it up, we recommend updating the firmware using the instructions below:
- Download the latest Firmware Update Tool from the download page.
- If your mouse or keyboard is connected to a Unifying receiver, follow these steps. Otherwise, skip to step 3.
- Make sure to use the 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 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.
- 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.
- If your mouse or keyboard is connected using Bluetooth but is no longer paired:
- Remove the Bluetooth pairing from the computer (if any).
- Unplug the Unifying receiver (if any).
- Launch the downloaded Firmware Update Tool and follow the on-screen instructions.
- On the ‘connect receiver’ window, press any button on the keyboard or mouse to wake up the device.
- The devices will be connected and the firmware update should proceed.
If the issue persists, please contact our customer support team.
Important Notice: The Firmware Update Tool is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Preference Manager is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Control Center is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Connection Utility is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Unifying Software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The SetPoint software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
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