Bthps3 Bluetooth Host Radio Not Found Online

Since Bluetooth and Wi-Fi often share the same card, resetting the network stack helps.

If you never did this, your driver is likely installed but quarantined.

Temporary Method (Best for testing):

Permanent Method (Not recommended for daily use):

Some users on high-end gaming laptops (ASUS ROG, Alienware) cannot get native bthps3 to work due to BIOS-locked Bluetooth hardware. The nuclear option:

If none of the above works, please share:

That will help narrow down whether it's a missing driver, firmware issue, or hardware failure.

Run PowerShell as Administrator and execute: bthps3 bluetooth host radio not found

Get-PnpDevice | Where-Object $_.Class -eq "Bluetooth" | Format-List Status, Problem, FriendlyName

If your radio shows Status: Error or Problem: 28 (driver not installed), the binding failed. You may need to manually install the generic Microsoft Bluetooth driver:

The “bthps3: Bluetooth host radio not found” error is not a fatal system crash – it’s a symptom of the Bluetooth stack being unable to locate a working radio. By methodically checking hardware detection, drivers, service status, and software blocks, you can resolve the issue and restore Bluetooth functionality.

If you’re still stuck after trying the steps above, check dmesg | grep -i bluetooth for deeper driver-level errors and consider testing with a known-working Bluetooth USB adapter.

"Bluetooth Host Radio not found" error when installing typically occurs because the setup cannot detect a working Bluetooth stack or the radio is locked by an incompatible filter driver

. This issue often affects users trying to connect PlayStation 3 controllers to Windows using tools like Core Troubleshooting Steps

If you are seeing this message during setup, follow these steps to restore visibility to the radio: Check Hardware Status External Dongle

: Ensure it is firmly plugged in. Try a different USB port, preferably a USB 2.0 port if using a 3.0 port. Laptop Users Since Bluetooth and Wi-Fi often share the same

: Verify that the physical wireless switch or key combination (e.g., Fn + F2) has not disabled the Bluetooth radio. Remove Incompatible Legacy Drivers

BthPS3 requires stock Windows Bluetooth drivers to function. Completely uninstall older solutions like ScpToolkit

, as they replace the stock driver stack and hide the radio from BthPS3. Clean the Registry Filter

A damaged installation can leave a "LowerFilter" in the registry that blocks the radio from starting. Open PowerShell as Administrator and run the following command to remove it:

Remove-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Class\e0cbf06c-cd8b-4647-bb8a-263b43f0f974' -Name 'LowerFilters' your PC immediately after running this command. Restart the Bluetooth Support Service services.msc , and find Bluetooth Support Service Ensure the "Startup type" is set to if it is stopped. Compatibility and Limitations LMP Version Check : BthPS3 requires a Bluetooth host with LMP version 3.0 (Bluetooth 2.0 + EDR) or higher. You can check your version in Device Manager

by right-clicking your Bluetooth adapter > Properties > Advanced tab. Error Code 10

: If you see a "Code 10" (STATUS_DEVICE_POWER_FAILURE) in Device Manager, your Bluetooth card is likely too old or incompatible, and there is no software fix. Unsupported Hardware Permanent Method (Not recommended for daily use): Some

: Most hosts from the last decade work, but some specific chips (often found in very cheap off-brand dongles) are fundamentally incompatible.

For detailed technical logs or to verify your hardware against a community-maintained list, consult the official BthPS3 Documentation Are you using an integrated Bluetooth chip USB dongle for this setup?

Frequently Asked Questions - Nefarius™ Project Documentation

Before fixing the problem, you must understand the culprit.

bthps3.sys is a system driver file developed by Microsoft. The name breaks down into three parts:

In modern Windows versions, this file is part of the Bluetooth Enumerator service. When Windows displays the error "bthps3 Bluetooth host radio not found," it means the operating system is trying to load the Bluetooth stack, but the underlying hardware (the host radio) is either disconnected, powered off, disabled, or its driver has crashed.