How to fix No Audio Output Device Is Installed error In Windows 10

Step 1:

Search for Device Manager in your Avita Clarus laptop.

Step 2:

Select System Devices.

Step 3:

Look for Intel(R) Smart Sound Technology (Intel(R) SST) Audio Controller right click on it and select Update Driver.

Step 4:

Now, you will be asked, "How do you want to search for drivers?"
Select the second option Browse my computer for driver software and select Next.

Step 5:

On the next screen, select "Let me pick from a list of available drivers on my computer."

Step 6:

Select High Definition Audio Controller and select Next.

If you followed the steps correctly, then this should solve the No Audio Output Device error.