It is often recommended to ensure that all current Windows updates are installed for security and that we have access to all the latest features. But sometimes things go awry, as the update KB4505903 for Windows 10 shows.
This cumulative update was released some time ago, on July 26th. However, there have been problems with Bluetooth in the past few weeks. You may not be able to connect your Bluetooth speaker or the audio quality is poor. Microsoft has a workaround.
This update applies to Windows 1
- A Bluetooth speaker can not connect to the computer.
- A Bluetooth speaker can connect to the computer. However, the speaker output sounds loud (poor quality).
- A Bluetooth speaker can connect to the computer. However, the sound is generated by the internal speaker instead of the Bluetooth device.
Additionally, Microsoft states that "In Device Manager, an entry under the Audio, Video, and Game Controllers node for Microsoft Bluetooth A2dp Source displays a yellow icon (exclamation point)."
To work around this issue, first use the System File Checker:
1. Open the command console with administrator rights.
. 2 At the command prompt, type the following command and press Enter:
sfc / scannow
Note It may take a few minutes until command operation must be completed.
. 3 Restart the computer after completing the operation.
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