Run the found in Windows Settings under "Troubleshoot" > "Other troubleshooters". Hardware
| Problem | Solution | |---------|----------| | | Restart PC. Then go to Services (Win+R → services.msc ). Ensure "Bluetooth Support Service" is running (set to Automatic). | | Yellow exclamation in Device Manager | Right-click → Uninstall device → Unplug dongle → Restart PC → Plug dongle back in. | | "Driver is not intended for this platform" | You downloaded a 64-bit driver for 32-bit Windows, or vice versa. Check your OS version. | | Device connects then disconnects | Disable "Allow the computer to turn off this device" in the USB Root Hub properties (Device Manager → USB controllers). | | Can't find any devices | Make sure the device you're pairing is in pairing mode. Also try a different USB port (USB 2.0 often works better than USB 3.0 for older dongles). |
: Plug the dongle into a USB 3.0 port (usually blue) if it's a Bluetooth 5.0+ device to avoid power or compatibility errors.
Many issues with the Koga dongle stem from faulty proprietary drivers. Reverting to the native Windows Bluetooth driver often restores functionality. Open . Locate the dongle (often listed under USB or Bluetooth ). Right-click the device and select Uninstall device .