Check the section under "Advanced options"—many Bluetooth drivers are tucked away here. 2. Device Manager Reinstallation
At its core, a driver is a translator. Without the correct BTBU1 driver, your Windows PC cannot understand the signals sent by the Bluetooth hardware. This hardware is often found in USB dongles or built into laptops as a secondary wireless module. btbu1 driver
Common symptoms of a missing or corrupted BTBU1 driver include: Without the correct BTBU1 driver, your Windows PC
If the driver is present but malfunctioning, you can force Windows to refresh it: Right-click the button and select Device Manager . Expand the Bluetooth section. Expand the Bluetooth section
: The option to turn Bluetooth on or off completely disappears from the Windows settings.
: A yellow exclamation mark appearing next to a "Generic Bluetooth Adapter" or "BTBU1" entry.
: Devices like headphones or mice refuse to connect despite being in pairing mode. How to Download and Install the BTBU1 Driver