If you’ve tried everything above and still see “bthps3 Bluetooth host radio not found,” it’s time to dig into logs and consider edge cases.
The driver may be looking for the radio before Windows has fully powered it on.
Additionally, in Control Panel > Power Options > Change plan settings > Change advanced power settings:
We will proceed methodically. Do not skip steps. The first fix might work instantly, saving you hours.
Since Bluetooth and Wi-Fi often share the same card, resetting the network stack helps.
Some motherboards and laptops have a hardware-level toggle for Bluetooth and Wi-Fi inside the BIOS. If disabled there, Windows cannot see the radio at all.
The "BthPS3 Bluetooth Host Radio not found" error is almost always a communication error between the driver service and the physical hardware. Start by verifying your Bluetooth is enabled in Device Manager, then reinstall the BthPS3 driver through your controller software (like DS3Windows) to force a fresh connection.
sudo modprobe bluetooth
sudo modprobe btusb