Windows

Fix: Volume Automatically Goes Down / Up Windows 10

Some users have been reporting that their volume automatically goes up or down over time without any manual adjustment. Some affected users report that the issue only occurs when they have more than one windows/tab that produces sound. Other users report that the volume randomly jumps to 100% with no apparent trigger.  In most cases, the values of the volume mixer are not changing even if the volume of the sound has clearly been modified. The vast majority of reports are confirmed to occur on Windows 10.

Volume Automatically goes down / up on Windows 10

What is causing the ‘automatic volume adjustment’ issue on Windows 10?

We investigated this particular issue by looking at various user reports and the repair strategies that have been successfully used to resolve this problem. Based on our investigations, there are several common culprits that are known to trigger this odd behavior on Windows 10:

  • Sound Effects or Immediate Mode are causing this – Realtek audio drivers do include a few features that might cause this particular behavior. Most of the time. Realtek’s Immediate Mode and a few other sound effects can cause automatic volume adjustment to some degree. Several users in similar situations have reported that the issue was fixed after they disabled any additional sound effects.
  • Issue is being caused by Windows Communications feature – There’s one Windows feature that ends up creating this particular issue for a lot of users. Although it’s designed to automatically adjust the volume when the PC is used for communication purposes, it can sometimes pick up false-positive which will end up reducing the volume when it’s not the case. In this case, changing the default behavior to ‘Do nothing’ will resolve the issue.
  • Windows audio driver is causing the issue – As a lot of users have reported, the default Realtek driver will get updated over time, which will end up causing this particular issue on some machines. If this scenario is applicable, downloading to a generic Windows driver should resolve the issue.
  • Dolby Digital Plus is adjusting the volume – One of the few 3-rd party audio drivers that are known to cause this issue is Dolby Digital Plus. This happens due to an audio feature called Volume Leveler. Unfortunately, disabling it will still preserver the same behavior, so you’ll need to disable Dolby Digital Plus altogether to resolve the issue.
  • A physical trigger is lowering/raising the volume – Stucked volume keys on your keyboard or a mouse USB dongle that is acting up are all potential causes that might lead to this particular problem.  Unplugging the connected devices or getting the stuck keys unstuck will resolve the issue in this case.

If you’re looking for ways to prevent your Windows volume for getting automatically adjusted, this article will provide you with several troubleshooting steps. Down below, you’ll discover a collection of methods that other users in a similar situation have successfully used to prevent this behavior from occurring.

Method 1: Disabling Sound Effects and Immediate Mode 

As it turns out, several Realtek drivers are known to cause this particular problem. We haven’t managed to find an official explanation on why this issue occurs, but it seems like the most popular trigger is playing something with sound, pausing it and then playing it again. For most affected users, this scenario will result in a volume change that doesn’t get recognized inside the speaker volume meter.

Fortunately, some affected users have reported that this odd behavior no longer occurred after they accessed the Sound settings and disabled all sound effects + Immediate mode. Here’s a quick guide on how to do so:

  1. Press Windows key + R to open up a Run dialog box. Then, type “mmsys.cpl” and press Enter to open up the Sound window.
  2. Go to the Playback tab, select the playback device that you’re having issues with, right-click on it and choose Properties.
  3. In the Properties screen, go to the Enhancement tab and check the boss associated with Disable all enhancements (Disable all sound effects).  Then, hit Apply to save the changes.
    Note: If you’re speaker/headset settings include Immediate Mode, disable that also.
  4. Restart your computer and see if the issue has been resolved at the next startup.
Disabling Sound Enhancements on Windows 10

If you’re still noticing that the sound volume tends to go up or down over time, move over to the next method below.

Method 2: Disabling automatic volume adjustment via Communications tab

As it turns out, another possible culprit that might end up lowering your audio volume is a Windows feature that is designed to automatically adjust the volume when you are using the PC to place or receive telephone calls. While this feature is great when it functions correctly, we saw a lot of user reports where Windows is wrongly interpreting incoming or outgoing communications and lowering the volume when it’s not necessary.

If this scenario is applicable to your current situation, you’ll be able to resolve the issue by going to the Communications tab of the Sound menu and modify the default behavior to ‘Do Nothing‘ when a new communication is detected.

Here’s how to do this:

  1. Press Windows key + R to open up a Run dialog box. Then, type “mmsys.cpl” and press Enter to open up the Sound screen.
  2. Inside the Sound window, go to the Communications tab and set the Do nothing toggle under ‘When Windows detects communications activity’.
  3. Hit Apply to save the changes, then restart your computer to see if the issue has been resolved.
Disabling automatic volume adjustment during communications

If you’re still encountering the same odd behavior with your sound volume, move down to the next method below.

Method 3: Downgrading to a generic Windows driver 

If none of the methods below have helped to stop your sound volume from getting automatically adjusted, you can probably start blaming your sound driver that is currently active.  We have seen a lot of reports where it was confirmed that the issue ended up being caused by a Realtek driver that Windows Update automatically installed.

If you’re using a Realtek sound driver, chances are you will be able to resolve this particular problem by downgrading your current sound driver to the generic Windows driver that is already stored on your system. Here’s how to do so:

  1. Press Windows key + R to open up a Run dialog box. Then, type “devmgmt.msc” and press Enter to open up Device Manager.
  2. Inside Device Manager, expand the Sound, video and game controllers drop-down menu.
  3. Right-click on the Audio device that is acting up and choose Update driver (Update Driver software).
  4. At the first prompt, click on Browse my computer for driver software.
  5. Then, on the next screen, click on Let me pick from a list of available drivers on my computer.
  6.  Next, start by checking the box associated with Show compatible hardware. Then, select High Definition Audio Device from the list and click Next.
  7. Click Yes at the warning prompt to install this driver over your current driver installation.
  8. Restart your computer to save the changes and see if the volume issue is resolved at the next startup.
Downgrading to a generic audio driver

Method 4: Disabling Dolby Digital Plus Advanced Audio

If you’re using audio equipment that supports Dolby Digital Plus, there’s a high chance that the program behind it is causing automatic volume changes. This happens due to an audio feature called Volume Leveler. But, unfortunately, disabling this effect will not resolve the issue. Sadly, you’ll need to disable Dolby completely in order to prevent it from conflicting with your playback device.

Several users in a similar situation have reported that the issue was resolved after they visited the Sound menu and disabled Dolby Digital Plus entirely. Here’s how to do this:

  1. Press Windows key + R to open up a Run dialog box. Then, type “mmsys.cpl” and press Enter to open up the Sound screen.
    Running dialog: mmsys.cpl
  2. In the Sound menu, select the speakers that are getting automatically adjusted and choose Properties.
    Accessing the Properties screen of the Dolby speakers
  3. Then, go to the Dolby tab and click the Power button (near Dolby Digital Plus) to disable it.
    Disabling Dolby Digital Plus
  4. Restart your computer and see if the automatic volume adjustment stops with the next system startup.

If you’re still having the same automatic volume adjustment issues, move down to the next method below.

Method 5: Dealing with physical triggers

Now that we’ve burned through all the potential software culprits that might end up causing the issue, let’s investigate for a physical trigger. You’d be surprised on the number of people that have discovered that the issue was being caused by a mouse wheel or a volume key being stuck.

If you’re using a USB mouse with a wheel that can be used to reduce the volume, a mechanical (or driver) problem can cause it to become stuck on downgrading or upgrading the volume. In this case, unplugging the mouse and rebooting the laptop will most likely resolve the issue.

Another potential physical trigger is a physical volume key being stuck (most keyboard models have volume keyboards). If you’re using a monitor with speakers, a stuck key on the monitor might alter your sound volume.

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Fix: Volume Automatically Goes Down / Up Windows 10

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