On my ASUS laptop it says no audio output device installed. I have no sound. It never happened before. It just happened. How do I get my audio back?

Try following these solutions provided by Microsoft support;

https://support.microsoft.com/en-us/windows/fix...

My name is Jonathan Deives. I'm an Independent Advisor and I will be happy to help you.

Click on the start menu and type msinfo32

Open System Information

Take a screenshot and upload it here, this will help find the audio driver for your system model

Hi Jonathan, I think I goofed up royally. When I sent the system info, I was using my Dell Laptop. So info you got was the wrong laptop info. I saw that the download said Dell. I am now using my ASUS, which is the laptop I'm having audio problems with. I'll do the msinfo32 on this laptop and send to you. Hope that's OK.

Download and install the manufacturer's recommended audio driver;

https://dl.dell.com/FOLDER09526540M/4/Realtek-H...

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Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

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Here is screenshot at least part of it. I'm not much of a techie.