To fix the Bluetooth connection for a paired device, use these steps: When the device is paired but not working, reconnecting it may resolve the problem on Windows 11. Fix Bluetooth pair connection problem on Windows 11 To determine your Bluetooth device’s supported profiles, you must check your manufacturer’s website for documentation. Personal Area Networking User Profile (PANU 1.0).Hardcopy Cable Replacement Profile (HCRP 1.0).Bluetooth LE Generic Attribute (GATT) Client.Audio/Video Remote Control Profile (AVRCP 1.3).Advanced Audio Distribution Profile (A2DP 1.2).On Windows 11, wireless devices to work must use one of the supported profiles: If that is the problem, reconnect the Bluetooth device to resolve the issue. If you recently installed an update for Windows 11, and the Bluetooth device stops working, it could be that the device uses a custom Bluetooth profile. Fix Bluetooth issues after upgrading to Windows 11 If the system still can’t detect the device, you will need to download and install the Bluetooth device driver from the manufacturer’s support website. Once the computer restarts, if you still don’t see Bluetooth listed in Device Manager, click the Scan for hardware changes button on the top-right. Right-click the “Unknown USB device (Device Descriptor Request Failed)” entry and select the Uninstall option. To reinstall the Bluetooth driver on Windows 11, use these steps:Įxpand the Universal Serial Bus controllers branch. If this is the case, you will have to reinstall the driver manually. You could also see an “Unknown USB device (Device Descriptor Request Failed)” entry under Universal Serial Bus controllers in Device Manager. If the device is having issues, and you uninstall the Bluetooth driver, it could also happen that after restarting the computer, the system won’t reinstall the driver automatically. Open the Bluetooth manufacturer’s support website, download, and install a compatible driver for Windows 11. Use any search engine to research the hardware ID to determine the device’s name and manufacturer. Right-click the hardware identification (for example, USBVID_), and select the Copy option. Under the “Value” section, look for the hardware identification. Use the “Properties” drop-down menu and select the Hardware Ids option. Select the unknown device, right-click it, and select the Properties option. Search for Device Manager and click the top result to open the app. To determine whether the Bluetooth adapter is compatible, use these steps: If the driver isn’t compatible with the version of Windows 11, sometimes the Bluetooth adapter may not appear in Device Manager. Fix Bluetooth missing problem in Device Manager If the system can’t find any new driver, you can visit your computer manufacturer’s website to download the latest driver and instructions to complete this task. Select the Bluetooth driver update (if available). Under the “Additional options” section, click the Optional updates setting. To check for driver update to fix missing Bluetooth in the Settings app, use these steps: If the Bluetooth settings are missing from the Settings app, the problem could be with the driver or the device not supporting this wireless technology.
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