Fixing Realtek Bluetooth Issues

Many users have reported that they are unable to pair their Bluetooth device with the PC under Windows 10.
> My bluetooth stopped working. The bluetooth device (Samsung Galaxy > S7) is not paired with the laptop. I uninstalled the bluetooth driver > and then reinstalled it.
Many users are also plagued by the Realtek Bluetooth driver error.
> Hi, I have a laptop with bluetooth 4.0. Unfortunately I am having the > following issue:

• Bluetooth issues usually arise due to outdated software on your PC.
• Realtek drivers can cause Bluetooth issues on Windows 10 PCs, so updating them is recommended.
• If the drivers aren’t the problem, then the problem could be with the Bluetooth adapter.
• You may need to update the Realtek Bluetooth stack by following the steps outlined below.

Disconnect peripherals

1. Disconnect your Bluetooth devices, such as mouse and keyboard.
   
2. After that, try installing your Bluetooth drivers once more.
3. Remove and reinstall Bluetooth drivers
   Press the Windows key + X and select Device Manager from the list.
4. Locate the Bluetooth entry, right-click on it and choose Uninstall device.
5. Now, click on Scan for hardware changes. Windows will now automatically install new drivers.

Uninstall and reinstall the Bluetooth drivers

1. Press the Windows key + S, type Device Manager, and select the relevant search result.
   Locate the Realtek Bluetooth drivers and right-click them.
2. Select Uninstall device from the menu.
   
3. Click on Uninstall to confirm.
4. Perform a Clean boot to troubleshoot Bluetooth issues.

Perform an SFC scan

1. To open the Run accessory, press the Windows key + R hotkey.
2. Type sfc /scannow in the Run accessory.
   
3. Press the Enter key.

Create a new registry key

1. Right-click on My Computer and select Run as Administrator.
2. In the Run window, type regedit and press “Ok”.
3. In the main window, navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionBluetooth
   
4. Create a new subkey called “DeviceProperty”.
5. Click “OK”.
6. Right-click on the DeviceProperty subkey and select New > DWORD (32-bit) Value.
7. Name the new value “PDIF”.
   
8. Set its value to “1”.
9. Restart your PC.

Use generic Bluetooth drivers

1. Go to Lenovo’s official support website.
2. Download the latest Bluetooth driver from the support page.
   
3. Follow the on-screen instructions to install it on your PC.