Fix ravbg64.exe (Realtek HD Audio Background Process) High CPU Usage Issue

By Camilla Mo  Common Errors  Task Manager   1 Comment

You might be worrying that the process “ravbg64.exe” is virus, as it takes such high CPU usage. Actually, ravbg64.exe is a part of Realtek HD audio background process. It’s related with Realtek audio programs, so it’s not recommended to terminate it. To fix the high CPU usage of this process, you can try solutions below.

We’ve put together three solutions to fix this problem. You may not have to try them all; just work your way down the list until you find the one that works for you.

  1. Disable and Enable the Related Realtek Audio Programs
  2. Update the Realtek Audio Drivers
  3. Add Two Registry Keys


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.

3) In Startup tab, check the box next to all Realtek startup items and  click Disable all button. Then click OK button. 



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.



3) Expand category Sound, video and game controllers and right-click on the Realtek audio device name. Then select Disable.

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: Update the Realtek Audio Drivers

The problem can be caused by faulty Realtek audio drivers. To fix the ravbg64.exe high CPU usage issue, you can try to update your Realtek audio driver. If you don’t have the time, patience or computer skills to update the Realtek audio driver manually, you can do it automatically with Driver Easy.

Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):

1) Download and install Driver Easy.

2) Run Driver Easy and click Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.

3) Click the Update button next to the Realtek audio driver to automatically download and install the correct version of this driver (you can do this with the FREE version).

Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).


Solution 3: Add Two Registry Keys

If Registry key SRS Labs and APO are missing, the issue 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).

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.



3) Navigate to HKEY_LOCAL_MACHINE/SOFTWARE.



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.



6) Rename the key to SRS Labs. Please ensure to type the name correctly.



7) After adding key “SARS Labs”, right-click on it and add a subkey to it. Rename the subkey to APO

After you finish adding the two keys, you will see them listed in Registry Editor as follows.



8) Restart your computer and see if the issue persists.


Hopefully the solutions and tips here help you fix the ravbg64.exe high CPU usage issue. If you have any questions, please feel free to leave your comments.

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