If these steps do not resolve the issue, your Bluetooth hardware may be incompatible with BthPS3's filter driver architecture. In such cases, using a different, modern Bluetooth 4.0+ USB dongle is often the most reliable solution.
Ensure Airplane mode is Off in the Action Center. 2. Clear Registry Filter Drivers
On laptops, look for a wireless icon on the keyboard (often accessible via the Fn key). bthps3 bluetooth host radio not found
Unplug your Bluetooth dongle (if using one) and plug it back in, or select to let Windows reinstall the default driver. 4. Remove Conflicting Software
If you previously had BthPS3 or similar tools installed, a stray registry entry might be blocking the radio. Open as an Administrator. If these steps do not resolve the issue,
Improper uninstalls can leave behind "LowerFilters" in the registry that block the radio from starting.
Ensure your Bluetooth radio is active before running the setup. set the to Automatic
Legacy tools like ScpToolkit or AirBender can interfere with stock Bluetooth drivers required by BthPS3.
Double-click it, set the to Automatic , and click Start .