As you know, Cortana is Microsoft’s very own digital assistant system designed to compete with Apple’s Siri, Amazon’s Alexa, Google Now and other digital assistants out there. If you suddenly experience some issue with Cortana where there it does not produce a sound, then read on as this post will show you what to do to resolve this issue. Refer to the following suggestions to fix this problem.
Option 1 – Restart Cortana
Restarting Cortana can help you resolve the issue.

  • To restart Cortana, open the Task Manager, right-click on Cortana and select the “End process” option.
  • Then go to the File tab and select “Run new task”.
  • After that, type in “cortana.exe” and press Enter to restart the process.

Option 2 – Try checking the Quiet Hours settings
You can also reverse whatever you did with Quiet Hours when you come across some issue with Cortana. All you have to do is to turn off Quiet Hours by following these steps:

  • Tap the Windows key + A to open the Action Center or simply right click on the icon in the right corner of the screen.
  • Next, locate the icon for Quiet Hours then click on it to turn it off.


Note: When you disable Quiet Hours, will awaken your notifications.
Option 3 – Try disabling Digital Audio

If you have enabled two playback devices on your computer, chances are, Cortana might be conflicted with one of them. As a result, it will likely cause Cortana to lose its voice. How? Simply follow these steps:

  • Right-click on the Sound icon and from the menu, select the Playback devices.
  • From there, look for the Digital Audio output that you’re not using and disable it.
  • After that, restart your computer and check if Cortana is now working fine.

Option 4 – Run the Playing Audio Troubleshooter
You can invoke the Playing Audio Troubleshooter from the Control Panel, the Taskbar Search, or from the Troubleshooters page in Windows 10.

Option 5 – Reset Cortana settings

  • Open Cortana and go to the Settings section where you’ll see the “Turning off Cortana clears what Cortana knows on this device, but won’t delete anything from the Notebook. After Cortana is off, you can decide what you’d like to do with anything still stored in the cloud” option. Turn this option off.
  • Restart your PC.
  • After your computer boots, launch Cortana again and check.

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