Plugable USB Bluetooth 4.0 not Working: 4 Best Fixes

Updating the driver is usually a fast fix

by Vladimir Popescu
Vladimir Popescu
Vladimir Popescu
Managing Editor
Being an artist his entire life while also playing handball at a professional level, Vladimir has also developed a passion for all things computer-related. With an innate fascination... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • The pluggable USB Bluetooth 4.0 not working is a common issue, and we will show you how to fix it.
  • Uninstalling and reinstalling the Bluetooth service is a quick way to solve the pluggable USB 4.0 problem.
  • Also, checking the Bluetooth service, as indicated in this article, is another way of fixing this issue.
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If you notice your pluggable USB Bluetooth 4.0 adapter is not working when connected to your device, know that you are not alone.

For many Windows 10 users, this problem occurs as they state on different forums, looking for a way to fix it.

We will explore in this article the exact steps you need to take to solve this problem quickly, so keep reading.

Why is my Bluetooth USB adapter not working?

Different factors will trigger this problem among users. However, at the top of the list are the following:

  • Driver issues – These, in some cases, will be outdated drivers and, in other cases, corrupted ones.
  • Stopped services – Users may experience this issue if essential Bluetooth services have been stopped or not started on the computer.

We will explore some of the most efficient fixes for this problem on your computer. These fixes may work for users facing Maxuni Bluetooth 5.0 driver download issues.

How can I fix my pluggable USB Bluetooth 4.0 not working?

1. Uninstall and reinstall the driver

  1. Right-click the Start menu and select Device Manager.
    pluggable usb bluetooth 4.0 not working
  2. Double-click the Bluetooth category.
    pluggable usb bluetooth 4.0 not working
  3. Right-click on your Bluetooth driver and select Uninstall device.
  4. Follow the prompts to complete the uninstallation, then restart the PC. At the restart, the driver would be reinstalled.

2. Update the driver

  1. Right-click the Start menu and select Device Manager.pluggable usb bluetooth 4.0 not working
  2. Double-click the Bluetooth category.pluggable usb bluetooth 4.0 not working
  3. Right-click on your Bluetooth driver and select Update driver.
  4. Select the Search automatically for updates option.

Check if issues of the pluggable USB Bluetooth 4.0 not working have been resolved.

3. Check Bluetooth services

  1. Press the Windows key and to open the Run box.
  2. Type in services.msc and press Enter.
  3. Next, right-click Bluetooth Support service and click Restart
    pluggable usb bluetooth 4.0 not working
  4. Now, double-click Bluetooth Support service and locate the General tab.
  5. Go to the Startup type and change it to Automatic.
  6. Next, press Apply and OK to save and exit. 

4. Use a dedicated software

Another common reason why your pluggable USB Bluetooth 4.0 is not working can be related to faulty or missing drivers.

Although the drivers are usually updated anytime Windows 10 has new releases; there are situations where something may go wrong, and any issue with the drivers also impacts the associated software.

To solve this problem and avoid it from occurring in the future, we recommend you use a dedicated third-party tool to solve the issue.

Most of the time, the generic drivers for your PC’s hardware and peripherals are not properly updated by the system. There are key differences between a generic driver and a manufacturer’s driver.Searching for the right driver version for each of your hardware components can become tedious. That’s why an automated assistant can help you find and update your system with the correct drivers every time, and we strongly recommend DriverFix. Here’s how to do it:

  1. Download and install DriverFix.
  2. Launch the software.
  3. Wait for the detection of all your faulty drivers.
  4. DriverFix will now show you all the drivers that have issues, and you just need to select the ones you’d liked fixed.
  5. Wait for the app to download and install the newest drivers.
  6. Restart your PC for the changes to take effect.
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We hope the solutions presented in this article helped you solve the pluggable USB Bluetooth 4.0 not working efficiently.

Don’t hesitate to drop us a message in the dedicated section below and let us know which of the above steps worked best for you.

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If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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