How do I fix Bluetooth driver errors (Code 43) in Windows 11?

Jul. 01, 2022 / Updated by Vivi to Windows Driver Solutions

Some Windows 11 users encounter the Bluetooth driver errors (Code 43) and cannot use the Bluetooth device properly. In Device Manager, the message "Windows has stopped this device because it has reported problems. (Code 43)" occues in the Bluetooth driver. This post presents 5 fixes to solve the Bluetooth driver errors (Code 43).


1. Check the device

2. Run the Bluetooth troubleshooter in Windows 11

3. Update the Bluetooth driver

1) Way 1. Update Bluetooth driver manually

2) Way 2. Update Bluetooth driver automatically

4. Reinstall the Bluetooth adapter

5. Restart the Bluetooth Support Service

Fix 1: Check the device

The first thing you need to do is to check your device to make sure that your device supports Bluetooth, your device has turned on Bluetooth, and your computer has turned on Bluetooth. Before taking any steps, you should check if your PC supports Bluetooth. Then follow the steps:

Step 1. Open Quick Settings by pressing Windows logo key and A.

Step 2. Make sure the Bluetooth has been enabled.

Step 3. Turn off the Bluetooth device and then turn it back on.

Check if the Bluetooth device can work now. If not, try other solutions below.

Fix 2: Run the Bluetooth troubleshooter in Windows 11

You can use the built-in troubleshooters in Windows 11 to fix some common errors. When you encounter the code 43 Bluetooth issue, you can try to fix it by running the Bluetooth troubleshooter in your Windows 11.

Step 1. Select Start, enter settings and click it.

Step 2. Click System, then Troubleshoot, and then Other troubleshooters.

Step 3. Click Run besides Bluetooth.

Then Windows will automatically run the troubleshooter. You can know if Windows can fix the error 43 when the troubleshooting process is completed. If the code 43 Bluetooth problem still occurs, try other fixes below.

Fix 3: Update the Bluetooth driver

An outdated or faulty Bluetooth driver can cause the Bluetooth not working. So, updating the Bluetooth driver in your Windows 11 is an important solution for you to fix the "Windows has stopped this device" error. You can update your Bluetooth driver manually or automatically.

Way 1: Update Bluetooth driver manually

If you have a good knowledge of computer and have enough time, you could manually update Bluetooth driver. Go to the official website of your device manufacturer and find the latest Bluetooth driver for your device. Note that you have to make sure the driver you are going to download is compatible with your device. Start the download process and install step by step according to the instructions provided by the manufacturer.

If you are a newbie or want to save your time, it is recommended that you try to update Bluetooth driver with Driver Talent, and lets it do the updating automatically for you.

Way 2: Update Bluetooth driver automatically

For most of us that have little knowledge or time in updating drivers manually, a professional driver updating software, like Driver Talent, is a good helper. It can automatically download and install the latest driver from various manufacturer, including AMD, Intel, NVIDIA and Realtek. We don't even need to know about the version number of our device and the information about our system, as Driver Talent will install the driver that is compatible with our operation system.

Now, follow the steps to update your Bluetooth driver so as to fix the Error 43.

Step 1. Scan your PC.

Bluetooth driver code 43

Step 2. Click "Update" to update your Bluetooth driver to the latest version or click "Repair" to fix the faulty Bluetooth driver.

solve Bluetooth driver error 43

Note: To use this featrure of Driover Talent, you have to activate the Pro version. Driver Talent Pro can also fix many other computer issues, such as crackling/popping/skipping sound, Nvidia/Intel HD/AMD display issues, and Network connection issues.

Step 3. Restart your PC.

Now you have updated your Bluetooth driver. This should fix the Bluetooth driver Code 43 problem.

Fix 4: Reinstall the Bluetooth adapter

Sometimes you may need to uninstall your Bluetooth adapter and then reinstall it in Device Manager to fix the Bluetooth problems. To do so:

Step 1. Open Start menu, type Device Manager and click on it.

Step 2. Select Bluetooth, right-click your Bluetooth adapter name, and then click Uninstall device.

Step 3. Select Start, then Power, and then Shut down.

Step 4. Turn on your PC again and allows Windows to reinstall the driver.

Step 5. If it hasn't reinstalled the Bluetooth driver automatically, go to Device Manager, select Action.

Step 6. Click Scan for hardware changes.

Note: After reinstall the Bluetooth adapter, you may need to update your Bluetooth driver to the latest. In this case, you can apply the Fix 3 above to get the newest driver for your Bluetooth adapter.

Fix 5: Restart the Bluetooth Support Service

The code 43 Bluetooth issues may be caused by the Bluetooth Support Service that doesn't working properly. In this case, you can try to restart the Bluetooth Support Service to fix it.

Step 1. Press Windows logo key and S at the same time.

Step 2. Type Services and click on it.

Step 3. Double click Bluetooth Support Service.

bluetooth not working in Windows 11

Step 4. Select the General tab.

Step 5. Click Stop and then click Start.

Step 6. In the drop-down menu of Startup, select Automatic.

Step 7. Clcik Apply and then click OK.

Now try to see if the Bluetooth code 43 issue still occurs.

The five fixes provided above are the common solutions to fix the Bluetooth not working issues in Windows 11. If you still have any other questions, please leave a comment in the comment section below.

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