# Catalina and lower (Mojave, High Sierra, Sierra, Capitan, Yosemite, Mavericks, etc.) For macOS up to 10.15, Catalina has 2 ways to configure the Dongle: 1. [Via the terminal](#1.-via-the-terminal-traditional-way) 2. [Via the Bluetooth Explorer utility](#2.-via-bluetooth-explorer-utility) ### 1. Via The terminal (traditional way) {% hint style="warning" %} **PLEASE, FOLLOW EVERY STEP CAREFULLY, EACH ONE HAS ITS OWN MEANING.** {% endhint %} {% embed url="" %} #### Step 1 Delete all paired devices in the list of Bluetooth devices. {% hint style="danger" %} **YOU WILL LOSE BLUETOOTH CONNECTIVITY IN THE INITIAL SETUP PROCESS, AND ALL DEVICES WILL NEED TO BE RE-PAIRED.** {% endhint %} #### Step 2 Insert the Dongle into the USB port and restart your Mac. #### Step 3 Send a special command to the system through the terminal (command line), which allows the system to use the Hideez Dongle by default for Bluetooth devices. Enter the following command in the Terminal window: ``` sudo nvram bluetoothHostControllerSwitchBehavior=always ``` Then you'll need to enter the password from your Mac account and press Enter. #### Step 4 Restart your Mac. The next time you turn on your computer, please pull out and insert the Dongle into the USB port, and the system will use the Hideez Dongle. If the Hideez Dongle is plugged in, the system will use it for your Bluetooth devices, and if it is not available, it will reconnect the Bluetooth devices to the system adapter. ### 2. Via Bluetooth Explorer utility: {% hint style="warning" %} #### This way is applicable only for macOS up to 10.15 Catalina. Please, follow every step carefully, each one has its own meaning. {% endhint %} #### Step 1 Delete all paired devices in the list of Bluetooth devices. {% hint style="danger" %} **YOU WILL LOSE BLUETOOTH CONNECTIVITY IN THE INITIAL SETUP PROCESS, AND ALL DEVICES WILL NEED TO BE RE-PAIRED.** {% endhint %} #### Step 2 Insert the Dongle into the USB port and restart your Mac. #### Step 3 Install the Bluetooth Explorer:\ \ Please use this link for free registration and Download - "hardware\_io\_tools\_for\_xcode" where you can find the Bluetooth Explorer Application. [**macOS 10.7**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.7.app.zip?7478) [**macOS 10.8**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.8.app.zip?7478) [**macOS 10.9**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.9.app.zip?7478) [**macOS 10.10**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.10.app.zip?7478) [**macOS 10.11**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_v.4.4.0_for_10.11.app.zip?7478) [**macOS 10.12**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.12.app.zip?7478) [**macOS 10.13**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.13.app.zip?7478) [**macOS 10.14**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.14.app.zip?7478) [**macOS 10.15**](https://cdn.shopify.com/s/files/1/0007/8017/3348/files/Bluetooth_Explorer_for_10.15.app.zip?7478) 2\. Follow the instructions from the video: {% embed url="" %} {% hint style="warning" %} **Note!.** If you have been unable to connect your Bluetooth dongle even after following all of the steps provided, please refer to our [troubleshooting](/how-to-use-hideez-bluetooth-dongle-on-macos/troubleshooting.md) guide or [reach out to us](https://hideez.com/pages/contact-hideez-support) for assistance. Our agent will reply to you by email within 24 hours. {% endhint %} {% hint style="success" %} The re-pairing process only needs to be done once, and your Bluetooth devices will be remembered. You will need to set up the dongle once, and all settings will be saved for future use. {% endhint %} ### **How to check which Bluetooth your Mac is using now?** After you set it all up, you can check that the Dongle is really connected and ready to work. #### For macOS up to 10.15 Catalina (Mojave, High Sierra, Sierra, Capitan, Yosemite, Mavericks, etc.), open up the Apple menu and click “About This Mac” to get started. In the **About This Mac** window, click the “System Report” button on the “Overview” tab. The information about your Bluetooth will be here, and the Manufacturer should be the same as on one of the screenshots: ![Hideez USB Bluetooth Dongle](https://ucarecdn.com/b1d270cc-65c1-4ba8-8ad2-ffe04685285c/) ![Hideez USB Bluetooth Dongle](/files/Relwsxbnx38WcycXyDJ0) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://dongle.hideez.com/how-to-use-hideez-bluetooth-dongle-on-macos/manual-setup-set-up-the-dongle-via-command-in-the-terminal/catalina-and-lower-mojave-high-sierra-sierra-capitan-yosemite-mavericks-etc..md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.