Troubleshooting a Bluetooth Connection on macOS

The following article will provide guidance on how to troubleshoot a wireless connection via Bluetooth to your macOS device if you are experiencing connecting issues.

Note: bluetooth connectivity for VEXcode IQ and VEXcode V5 are only currently only supported on iPads, Android tablets, and Fire tablets. View the VEXcode download page for more information.


Robot not appearing in the devices list

VEXcode 123 interface with the Bluetooth dialog showing no devices available or connected.

Your robot may not be appearing in the list of devices to connect to VEXcode.

Note: VEXcode 123 is shown here, but the same issue may occur when using VEXcode GO.


If you are experiencing this issue, try the following troubleshooting steps:

  • Ensure Bluetooth is enabled.

    Apple System Settings icon on macOS

    To ensure Bluetooth is enabled on your macOS device, first open ‘System Preferences.’

    Bluetooth option highlighted in the System Preferences on macOS

    Select ‘Bluetooth’ from the list of icons.

    Bluetooth switched off in macOS settings highlighted

    The status will display as 'Off' below the bluetooth icon. Select 'Turn Bluetooth On' to enable Bluetooth.

    Note: VEX 123 / VEX GO uses 'Bluetooth Low Energy' and will not appear in the device list in the Bluetooth Preferences Window. VEX GO and VEX 123 are devices that are connected via the Chrome Browser. 

    Bluetooth settings turned on on macOS with the status section highlighted.

    The status will display as 'On' when Bluetooth is enabled, and the discoverable name of the device will show.

  • Turn Bluetooth off then back on.

    Bluetooth off button icon in the Bluetooth settings on macOS

    Navigate to the Bluetooth settings using the steps in the ‘Ensure Bluetooth is enabled’ section of this article. Select 'Turn Bluetooth Off'.

    Bluetooth turned on in macOS settings

    Then, select 'Turn Bluetooth On'. The status will display as 'On' and the discoverable name of the device will show.

  • Check Bluetooth Permissions.

    Apple icon for opening System Settings

    Open 'System Preferences’.

    Security and Privacy settings option in macOS System Preferences

    Select 'Security & Privacy' from the list of icons.

    Privacy tab of the security and privacy settings in macOS open with the Bluetooth option on the left hand list highlighted.

    Select 'Bluetooth’ from the list of options.

    The same image, with the Google Chrome option listed on the right checked off.

    Ensure the box next to Google Chrome is checked.

  • Ensure you’re using VEXcode (123 or GO) on a supported device or browser.
  • Ensure your robot’s firmware is up to date (123, GO).

  • Power cycle your robot and the device.

  • If none of the above troubleshooting techniques work, please leave feedback in VEXcode (123, GO), or contact VEX support at support@vex.com.

Robot is appearing in the devices list, but is not connecting, or having difficulty staying connected to the macOS device

VEXcode 123 interface with Bluetooth settings showing available devices on a Chromebook, with a 123 listed

Your robot may be appearing in the list of devices to connect to VEXcode, but is not connecting, or having difficulty staying connected.

Note: VEXcode 123 is shown here, but the same issue may occur when using VEXcode GO.

If you are experiencing this issue, try the following troubleshooting steps:

  • Ensure your robot is close enough to the device. Bluetooth range is approximately 30 feet.

  • Turn Bluetooth off then back on.

    Bluetooth off button in the Bluetooth settings on macOS

    Navigate to the Bluetooth settings using the steps in the ‘Ensure Bluetooth is enabled’ section of this article. Select 'Turn Bluetooth Off'.

    Bluetooth on button in the Bluetooth settings in macOS

    Then, select 'Turn Bluetooth On'. The status will display as 'On' and the discoverable name of device will show.

  • Power cycle your robot and the device.

  • If none of the above troubleshooting techniques work, please leave feedback in VEXcode (123, GO), or contact VEX support at support@vex.com.

For more information, help, and tips, check out the many resources at VEX Professional Development Plus

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