Plugable USB Bluetooth 4.0 not Working: 4 Best Fixes

Updating the driver is usually a fast fix

Fix

Reading time icon 3 min. read

Calendar icon Updated on

by Vladimir Popescu 

updated on

Share this article

Readers help support Windows Report. We may get a commission if you buy through our links. Tooltip Icon

Read our disclosure page to find out how can you help Windows Report sustain the editorial team Read more

Key notes

  • 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.

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  • Driver issues – These, in some cases, will be outdated drivers and, in other cases, corrupted ones.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 R 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.

Often, your computer system might not be able to update the generic drivers for your hardware and peripherals correctly. There are vital differences between a generic driver and a manufacturer’s driver. Finding the correct driver versions for every hardware component can become tiresome.That’s why a dependable updater can help you find and update your drivers automatically. We strongly suggest the Outbyte Driver Updater, and here’s how to do it:
  1. Download and install the Outbyte Driver Updater app.
  2. Launch the software and wait for the app to detect all incompatible drivers.
  3. Now, it will show you a list of all outdated drivers to select the ones to Update or Ignore.
    OutByte Driver Updater Scan
  4. Click on Update & Apply Selected to download and install the latest versions.
  5. Restart your PC to ensure the applied changes.
Outbyte Driver Updater

Outbyte Driver Updater

Maintain your device healthy by letting OutByte Driver Updater find the latest driver options.
Free trial Download now
Disclaimer: You may need to upgrade the app from the free version to perform specific actions.

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.

More about the topics: driver, realtek

Vladimir Popescu

Vladimir Popescu Shield

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 for research and analysis, and realizing many other people share his passion for this subject, he delved into writing Windows-related articles, so other people can also benefit from the acquired information. When not writing kick-ass articles, Vladimir likes to spend his time doing Crossfit and creating art.