75270 | Bluetooth Driver
The dongle is not receiving enough power or the USB port is faulty.
If the "On/Off" switch for Bluetooth disappears from your Windows settings, it usually means the 75270 hardware isn't receiving power. Try unplugging the USB dongle or checking if a physical "Airplane Mode" switch is flipped on your laptop. 75270 bluetooth driver
A: Windows power management issue. Go to Device Manager > Universal Serial Bus controllers > Root USB Hub > Power Management > Uncheck allow power off. Do this for all USB hubs. The dongle is not receiving enough power or
Common chips that use the "75270" marking include: Universal Serial Bus controllers >