Answer

Bluetooth connection may become unstable, disconnected, or show the error in Device Manager if there is a change being made to the device (e.g. running Windows Update).

If the Bluetooth connection ever runs into the situations mentioned above, please refer to the following for the troubleshooting steps.

    1. Download the Bluetooth driver. 

        - Intel Wireless & Intel Killer Wireless: Download the latest version on Intel Website

    2. Run “Windows Update” Manually

        Go to Settings > Update and Security > Windows Update. Run Windows Update until there is no new update or optional update 

    3. Disconnect from the Internet until the rest of the steps are finished

    4. Perform a complete shutdown (Left-click on the Windows icon > Select “Power” > Press “SHIFT” key and select “Shut down” at the same time)

    5. Please perform the EC reset.

        To confirm whether the EC reset is complete, press the power button and make sure that the system will not power on. If the system boots up after pressing the power button, do the EC reset again.

        Note: Laptop should not plug in the AC adapter during confirmation.

    6. Plug in the AC adapter and press the power button to power on the laptop

    7. Remove and reset all connected devices 

        For connected Bluetooth device, please follow below step until all connected device are removed

        A. Select the Start button, then select Settings  > Bluetooth &devices

        B. Select the paired device and select Remove device > Yes to confirm

        

    8. Uninstall Intel Bluetooth driver. 

        Refer to this FAQ for detailed instructions.

    9. Reboot the laptop and install the recommended version of drivers (both Wireless and Bluetooth) downloaded in Step 1.

    10. Check the driver versions of the wireless adapter and the Bluetooth device in Device Manager to make sure the drivers installed successfully and both the Wi-Fi and the Bluetooth adapters are enabled.

          Click on the Start button, then select Settings > Network & Internet > Advanced network settings > Enable the Bluetooth function

          

 

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