Equalizer APO and Realtek sound drivers problems

  1. Open Control Panel and select Hardware and Sound.
  2. Click on Sounds.
  3. Click on the Playback tab.
  4. Right-click on the audio device and select Properties.
  5. Go to the Advanced tab.
  6. Uncheck the box for All hardware acceleration of audio with this device.
  7. Save your settings and hit the OK button.

4. Enable all enhancements

  1. Open the Control Panel and select Hardware and Sound.
  2. Click on the Sounds option.
  3. Switch to the Playback tab.
  4. Right-click on your sound device and select Properties.
  5. Go to the Enhancements tab.
  6. Unmark the Disable all enhancements checkbox.
  7. Hit the OK button.

5. Use the Windows Registry

fix from windows registry

Open the Registry Editor with admin rights

  1. Open the Start menu and search for and open the Configurator.
  2. Click on the Playback devices tab and choose the device to use with the equalizer.
  3. Hit the Copy Device command to clipboard button.
  4. Open Notepad or a similar app and press CTRL + V to paste the command.
    Note: Take note of the part of the command inside the curly brackets. This is the Registry key that you will edit.
  5. To be safe, back up your registry following this guide.
  6. Press the Windows key and search for regedit.
  7. Right-click on Registry Editor and select Run as administrator.

Identify the correct value

  1. In the Windows Registry, navigate to the following folder:
  2. Click on the arrow beside the last key to expand it.
  3. Find a key name with the string inside the curly brackets from step 4 above.

Modify permissions for it

  1. Right-click on this key and select Permissions.
  2. Hit Advanced.
  3. Click on the Change link.
  4. Enter Everyone in the field provided and click Find name.
  5. Hit the OK button.
  6. In Advanced Security Settings, mark the Replace owner on subcontainers and objects checkbox.
  7. Click on the Add button and click the Select a principal link.
  8. Enter Everyone, complete the name, and hit OK.
  9. Select Full control from the Basic permissions area.
  10. Apply your changes and close the dialog box.
  11. Return to the Registry Editor and right-click the key.
  12. Delete the key and reboot your machine.
  13. Re-install APO with the Configurator.

At this point, you should get the Equalizer APO and Realtek sound drivers problems fixed.

If you attempt all of these fixes, but still can’t get sounds from your PC, then you can resort to performing a clean install of Windows.

Either way, let us know what you think in the comments section below.

FAQ: Learn more about Equalizer APO and Realtek sound drivers issues

  • How do I activate equalizer on Apo?

To successfully activate the equalizer on Apo, or research other useful options on this topic, don’t hesitate to check out this thorough guide.

  • Why is equalizer APO not working?

The most common reason for the APO equalizer not working is an issue with the drivers, but this guide will help you resolve it once and for all.

Yes, the APO equalizer can be very good if you know how to use it properly to get the most out of the settings. If you have trouble with it, check out our guide for the best bass boost equalizers to use.

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