Windows 10 patch messes up Bluetooth speakers – but there’s a workaround

Users of the Windows 10 May 2019 update have been affected by an error introduced by the latest cumulative update that causes the Bluetooth speakers to not work. about problems with Windows Hello facial recognition logins and problems with Bluetooth devices.

KB4505903 is supposed to resolve an audio error and improve Bluetooth audio quality in some aspects, when certain audio profiles are used for long periods, but instead it seems to have quite broken things for PCs that have an internal speaker installed.

On these machines, after installing the patch mentioned above, users of the May 2019 update may find that their Bluetooth speaker will no longer connect to their PC, or if connected, the audio quality will be poor.

A third problematic scenario described by Microsoft in its support document is that the Bluetooth speaker can be connected, but the sound can be output from the PC's internal speaker, instead of the Bluetooth device.

Microsoft also notes: "In addition, in Device Manager, you see an entry in the Sound, video and game controllers node for the Bluetooth A2dp Bluetooth Source that shows a yellow explosion (exclamation mark icon)."

Suggested solution

Presumably, Microsoft is solving this problem, but for now, there is a detailed solution in the support document.

Users of the affected May 2019 update should start the system file Tool check and use it to repair lost / damaged files, which is obviously the problem here after the cumulative update.

To do this, you must open the command line, and if you are not sure how to do it, simply type & # 39; cmd & # 39; in the search box (next to the Start button) and click on the Command Prompt application at the top.

Once you are é open, type the following and press Enter:

  sfc / scannow [19659013] You may have to wait a number of minutes for the scan and repair to be performed, but once you have finished, restart your PC. Hopefully everything will return to normal with your Bluetooth devices in Windows 10. 

Through Windows Latest

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