Thanks for the clarification.
Perhaps Windows only visually displays a different version than the one on the HP website, or the currently installed version was automatically installed by Windows and may not be the correct version for your laptop.
I suggest reinstalling the Bluetooth driver as instructed below.
Before starting the procedure, download the latest driver for your laptop from the link below.
https://support.hp.com/hk-en/drivers/hp-255r-15.6-inch-g10-notebook-pc/2102647679
Driver name: Realtek RTL8xxx Series Bluetooth Driver
(Run the downloaded EXE file to run the installer.)
Disconnect from the internet to prevent Windows from installing the driver automatically.
(Turn off Wi-Fi or disconnect the Ethernet cable during the entire procedure.)
Then, uninstall the current driver:
- Open "Device Manager" (Windows + X and select Device Manager);
- Expand "Bluetooth";
- Right-click on the Realtek Bluetooth adapter and select "Uninstall device";
- On the confirmation screen, check "Attempt to remove the driver for this device" and click "Uninstall";
- Restart (not shutdown) the PC.
Then, run the driver installer you downloaded and follow the on-screen instructions to install the driver.
After doing that, restart (not shutdown) your PC one last time and see if the problem has been resolved.
If the problem persists, please let me know.
Feel free to ask any questions you may have.
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