If this is the case, you can consult the manufacturer’s user guide for your Dell laptop and try replacing the speakers yourself. Another option is to take the laptop in for repairs; this may be pricey if the laptop is no longer under warranty.
Hi
To follow these simple steps you can see Facebook Live video notifications
Click at the top-right corner and select Settings
Then Click Notifications on the left
After that Click On Facebook
At the end Scroll down to Live Videos to make changes to live video notifications
Thanks