If you are a user of Windows 10, quite likely you may haveRealtek as your Audio driver.

Its the one most commonly equipped audio card used by the manufacturers for any integrated computer system.

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you could have ordinary problems with audio driver, especially if its a Realtek driver.

you could get one from themotherboard manufacturer page or Realtek website.

In most cases the defaultHigh Definition Audio Devicedriver that comes fromMicrosoftsolves theRealtek audio driver problem in Windows 10.

To make it as default, you might do the following.

Your Realtek Audio problem should vanish in Windows 10.

But there is a catch!

This supports only VIA audio codec.

So even though you install Realtek audio driver, you will not benefit from it.

Case 2: You have an old Nvidia graphics card like GeForce 210.

No analog speakers will work with it.

So even though you install Realtek drivers, they dont work.

Basic course of Action

To find a solution first there is a need to recognize the problem.

But before anything, venture to do this just like a good sleep to most diseases.

May this work out and your panic seems to fall out.

But for some serious occasions lets dig deeper for some specific error encounters.

After taking a couple of minutes, it might say,Troubleshooting couldnt identify the problems.

It may result into no sound.

You end up getting the somewhat like the below error.

It needs audio drivers based upon the model.

But if you need better surround sound experience, you need a good gaming headset.

If this headset uses your Realtek Audio drivers for sound, then sometimes it can give problems.

To rectify this do these things.

So even though you are using a Realtek sound card or related drivers, it is not its problem.

When your speaker output is giving problem, you could try the audio troubleshooter in Windows 10.

Sometimes it resolves the problem.

On the contrary, it can only be a temporary relief and the problem returns back.

Windows audio troubleshooter does not suggest the actual reason behind it.

you’re able to try uninstall the Realtek audio driver and reinstall it.

But if that doesnt fix it, then it is the problem with express chipsets of your motherboard.

If you are using a different motherboard chipset, then plant the corresponding audio codecs.

This problem is faced in Windows 10 1903 version.

you’re free to listen to only one sound rig at a single time in Windows 10.

But if you oughta switch multiple audio devices, then you oughta plug-in that unit.

Otherwise, it’s possible for you to change the default playback rig.

Sound plays through PC speakers even though you want to listen through headphones.

When you unplug headphones and re-plug it, the sound still plays through PC speakers only.

Either you oughta restart the computer or make headphones the default playback gadget.

In Windows 10 1903 version, Realtek audio driver installs a service called Realtek Audio Universal Service RtkAudUService64.exe.

This can cause the issue regarding dynamic switching between headphones and speakers.

These steps will solve sound problem when switching between PC speakers and headphones in Windows 10 1903 version only.

This driver is installed in many DELL and HP laptops.

It might have been fixed in the newer version of Windows 10 like 1909 or 2004 versions.

This problem does not arise if the startup service is called Realtek HD Audio Manager.

So check your sound driver service name, before you apply this solution.

Source:https://answers.microsoft.com/en-us/windows/forum/all/realtek-audio-driver-doesnt-dynamically-switch/ec5997da-aa64-4f1d-b695-9236f50979ef