Some users have found success using specific manufacturer drivers if the generic ones fail: Realtek Bluetooth UART Bus Driver
If the device shows up as "Unknown Device" or "Generic Bluetooth Adapter": Device Manager and select it). Find your device under Other devices Right-click it and select Update driver Search automatically for drivers Microsoft Support 3. Common Chipset Drivers Many 75270-listed adapters use a CSR (Cambridge Silicon Radio)
This usually means the Hands-Free Telephony (HFP) driver is interfering. Disable it:
Launch Studio Bluetooth 75270 Driver Download Windows 10 Link ^new^ Jun 2026
Some users have found success using specific manufacturer drivers if the generic ones fail: Realtek Bluetooth UART Bus Driver
If the device shows up as "Unknown Device" or "Generic Bluetooth Adapter": Device Manager and select it). Find your device under Other devices Right-click it and select Update driver Search automatically for drivers Microsoft Support 3. Common Chipset Drivers Many 75270-listed adapters use a CSR (Cambridge Silicon Radio) Some users have found success using specific manufacturer
This usually means the Hands-Free Telephony (HFP) driver is interfering. Disable it: Some users have found success using specific manufacturer
