Sound did not work, tried to fix it... got Loud whistling instead

I had trouble with my DELL XPS L502xX sound, it would work for: Web browsers and team speak, it worked for spotify, but now it does not work for what it is, I tried to look for solutions, and I think I've done worse by following these step I would have probably not done:

1. open Device Manager and look for the device for which you want to restore the driver. The XPS L501X has graphics Intel or nVidia.
2. right click on the name or the icon of the device and click Properties.
3. in the Properties window for the device, click the driver tab.
4. on the driver tab, click roll back to the previous version. (Is it is disabled, then it is not a previous driver to roll back to.) When the computer is restarted, the old driver will be installed.


After that I took these steps, I've restarted the laptop and the sound would not work on anything... so I went to the Control Panel > Device Manager > sound, video and game controllers

and it said Realtek High Definition Audio is disabled, so I gave him and then this whistling noise started coming out of my helmet, so I tried unplugging my headphones and the sound was still there, so I disabled it, and now I don't know what to do.

Ruya.Ali
The XPS L501X has graphics Intel or nVidia.

Why you were looking at the graphics drivers to fix an audio problem?

In any case, try to use the Windows system restore. (Click Start, and then type system restore in the search box on Windows.) Select a restore point dated before before you rolled back graphics drivers. That expected to get riders to the way they were.

If this does not work, then download and install a new copy of the Realtek audio driver.

> Go to the XPS L502x support page.

> Find the small blue 'Change OS' button and select your operating system (Win 7 or 8). Don't skip this step.

> Expand the Audio category.

> Download the Realtek driver.

Tags: Dell Laptop

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