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Asked: 2024-09-29T19:47:34+05:30

I have a Ugreen Bluetooth CM748 device that functions properly on Windows, but I’m facing issues getting it to work with Ubuntu. Does anyone have suggestions or solutions to help me resolve this problem?

I’ve been struggling to get my Ugreen Bluetooth CM748 device to work on Ubuntu, and I could really use some help from the community. Here’s the situation: I just got this cool Bluetooth adapter because I wanted to connect my peripherals—like a wireless mouse and keyboard—without dealing with cables everywhere. I plugged it into my Windows machine, and it worked like a charm. I was genuinely impressed by how easy it was to set everything up and pair my devices.

However, when I tried to get it running on my Ubuntu setup, things took a turn for the worse. I thought it would be just as easy, but no luck! I’ve gone through the typical troubleshooting steps—checking for updates, ensuring my Bluetooth service is running, and even looking into some forum threads about compatibility issues. Despite all that, my Ubuntu isn’t recognizing the adapter at all. I’ve also tried a few different USB ports, thinking maybe it was an issue with the port itself, but no joy there either.

I’m pretty new to Linux, so I might be missing something fundamental. Can anyone share some tips or guide me through the process? I’ve seen that some devices work better when certain drivers are installed, but I’m not quite sure where to start with that. Should I be looking for specific drivers for the Ugreen device, or is there a general Bluetooth driver I need to install?

Also, any advice on terminal commands to help diagnose what’s going wrong would be awesome. I used to be more of a click-and-go type of user, but I’m trying to dive into the Linux world since it’s so powerful. Just feeling a bit overwhelmed with this issue, and I want to get my Bluetooth devices up and running so I can enjoy the seamless experience I had on Windows.

Thanks in advance for any suggestions or guidance you can provide! I’m excited to hear about your experiences, too, especially if anyone has gone through a similar situation.

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    2 Answers

    1. Getting Your Ugreen Bluetooth CM748 Working on Ubuntu

      It’s totally understandable to feel a bit lost when switching from Windows to Ubuntu, especially with hardware compatibility issues. Here are some steps and tips to help you troubleshoot your Ugreen Bluetooth adapter.

      1. First Things First: Check Your System

      Make sure your system is up to date. Open a terminal (you can find it in your applications) and run:

      sudo apt update && sudo apt upgrade

      2. Check Bluetooth Service

      Ensure that the Bluetooth service is running. In the terminal, type:

      sudo systemctl status bluetooth

      If it’s not active, you can start it with:

      sudo systemctl start bluetooth

      3. List USB Devices

      To see if your adapter is recognized by your system, use:

      lsusb

      This command lists all USB devices connected. Look for something that mentions Ugreen or Bluetooth. If you see it there, the system recognizes your hardware.

      4. Install Necessary Drivers

      Sometimes, additional drivers are needed for Bluetooth devices. You can install the necessary packages by running:

      sudo apt install bluez blueman

      This installs the Bluetooth stack and a Bluetooth manager which can help with pairing devices.

      5. Reboot and Check Again

      After installing drivers, reboot your machine to ensure everything is loaded correctly. Then, check if your peripherals can be paired:

      blueman-manager

      This opens a GUI where you can manage your Bluetooth devices and pair new ones.

      6. Additional Help

      If things still aren’t working, check the system logs for any Bluetooth-related errors:

      journalctl -xe | grep bluetooth

      This command might give you clues regarding what is going wrong.

      7. Community Support

      Don’t hesitate to ask for help in forums, like the Ubuntu forums or Ask Ubuntu. Provide details about what you’ve tried and any error messages you see.

      Switching to Linux can be daunting, but with a little patience and exploration, you’ll get the hang of it! Good luck, and enjoy your wireless setup!

    2. It sounds like you’re facing some common challenges that many users encounter when transitioning to Linux with hardware peripherals. Firstly, it’s important to ensure that your system is fully updated. Open a terminal and run the following commands: sudo apt update and sudo apt upgrade. This will make sure you have the latest software and drivers that might be necessary for your Bluetooth adapter to be recognized. If you haven’t already, you can also check if the Bluetooth service is running with the command sudo systemctl status bluetooth. If it’s inactive, try starting it with sudo systemctl start bluetooth.

      Regarding drivers, the Ugreen Bluetooth CM748 should typically work with the generic Bluetooth drivers included in the Linux kernel, but there are occasions where additional drivers are necessary. You can check for available Bluetooth devices using lsusb, which lists USB devices connected to your machine. If your adapter doesn’t show up there, you might want to investigate any specific kernel modules that could be required. Common ones include btusb for USB Bluetooth adapters and bluetooth for Bluetooth support. If you’re comfortable, you could also post the output of ‘dmesg’ after plugging in the device, and that might provide additional insights. Also, exploring forums and community channels for others who’ve successfully used the Ugreen Bluetooth CM748 on Ubuntu will likely yield useful insights and guidance from users with similar setups.