How to Fix ravbg64.exe (Realtek HD Audio Background Process) High CPU Usage Problem

Common Error, Common Errors

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Many Windows users were worrying that the “ravbg64.exe” was a virus when they saw it caused the high CPU usage on their computer. We can guarantee that this process is not a virus. It is actually a part of Realtek HD audio background process. This file was working on the background that causes the CPU working so hard and your computer becomes slow. Put aside your thought of terminating it. Just follow the methods below to know how to fix ravbg64.exe high CPU Usage.

Task Manager

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How to Fix ravbg64.exe (Realtek HD Audio Background Process) High CPU Usage Problem

Solution 1: Disable and Enable the Related Realtek Audio Programs

This solution may work like a charm for you. First, disable the startup Realtek software via System Configuration and Realtek audio driver via Device Manager.  Then enable them all. Follow instructions below.

Follow these steps to disable the Realtek software via System Configuration.

  1. Press Win+R (Windows logo key and R key) at the same time. A Run dialog box will open.
  2. Type msconfig in the run box and click OK button.
    Task Manager
  3. In Startup tab, check the box next to all Realtek startup items and  click Disable all button. Then click OK button.
    Task Manager

Follow these steps to disable Realtek audio driver via Device Manager.

  1. Press Win+R (Windows logo key and R key) at the same time. A Run dialog box will open.
  2. Type devmgmt.msc in the run box and click OK button.
    Task Manager
  3. Expand category Sound, video and game controllers and right-click on the Realtek audio device name. Then select Disable.
    Task Manager
  4. After disabling is done, refer instructions above to enable them again. Then start Task Manager and see if ravbg64.exe is still taking high CPU usage.

Solution 2: Add Two Registry Keys

If Registry key SRS Labs and APO are missing, the problem would occur. So check if those two keys are missing and add them manually if you need. This solution need you to modify the Registry. Before you get started, it is recommended that you back up the registry, so you can restore them if any problem occurs (See How to Back Up and Restore Registry).

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Follow steps below to check and add the registry keys.

  1. Press Win+R (Windows logo key and R key at the same time). A Run dialog box will open.
  2. Type regedit in the run box and click OK button.
    Task Manager
  3. Navigate to HKEY_LOCAL_MACHINE/SOFTWARE.
    Task Manager
  4. Under SOFTWARE, find key “SRS Labs”. If you do find this key, skip this solution. If not, move on to below steps to add the key.
  5. Right-click on SOFTWARE and select New then select Key.
    Task Manager
  6. Rename the key to SRS Labs. Please ensure to type the name correctly.
    Task Manager
  7. After adding key “SARS Labs”, right-click on it and add a subkey to it. Rename the subkey to APO.
  8. After you finish adding the two keys, you will see them listed in Registry Editor as follows.
    Task Manager
  9. Restart your computer and see if the problem persists.

Solution 3: Update the Realtek Audio Drivers

Updating the realtek audio drivers may also help you get rid of high cpu usage. You can go to your PC manufacturer’s website or Realtek’s official website to download the latest audio driver. The downloaded driver will always be an executable file. You can install the driver by just double-clicking on the file and follow the on-screen instructions.

If you have difficulty updating drivers manually, you can use Driver Easy to update the driver automatically. Driver Easy can scan your computer to detect all outdated and missing drivers, then provide you with the latest drivers instantly. It has Free version and PRO version. You can download the Free version to have a try. If you find it helpful, upgrade to the PRO version. The PRO version allows you to update all drivers with just one click. What’s more, you will enjoy free expert tech support guarantee and 30-day money back guarantee. Just ask for a full refund if it doesn’t help resolve the problem that you are having.

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Conclusion

The problem should have disappeared by now. Your computer should work normally start from now. We suggest you to keep the Realtek drivers up-to-date to keep the same problem in the future. You can do it manually or use an app to help you updating the drivers in your computer automatically.

For queries or suggestions, feel free to contact us. Thank you for reading!

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