How to Fix HD Audio Background process using High CPU in Windows 10

If your PC is running sluggishly, and you find that ravbg64.exe is consuming high CPU and memory usage, then you’re not alone. ravbg64.exe is a background process pertaining to the Realtek High Definition Audio Codecs. Taking a glance at the Task Manager, there might be instances when the background process might be consuming many resources, which shouldn’t be the case practically. This post will guide you on How to Fix the HD Audio Background process using a High CPU in Windows 10.

The file could be found listed at:

 C:\Program Files\Realtek\Audio\HDA\

While the file isn’t a virus, there have been several reports in the past mentioning that the file may be malware. Hence it is always recommended to perform an antivirus scan.

How to Fix HD Audio Background process using High CPU in Windows 10

How to Fix HD Audio Background process using High CPU in Windows 10

There are not many reasons nor resolutions to the problem. Here’s a compiled list of all the best possible solutions that one could try to fix the issue.

  1. Update Realtek Audio Drivers
  2. Disable Realtek Audio Drivers
  3. Make Changes to Registry
  4. Re-install Realtek Audio Drivers

You will need an admin account to complete some of these.

1] Update Realtek Audio Drivers

Update Realtek Audio Driver

Updating the Realtek Audio Drivers on your PC might work like a charm and help you solve the issue. Old drivers might have become incompatible with other new software on your PC and maybe the reason behind the problem. Here’s how to update the Realtek Audio Drivers on your Windows computer:

  • Start by bringing up the Device Manager by searching for the same in the Start Search Box.
  • Here, expand the Sound, Video & Game Controller menu.
  • Now, right-click on Realtek Audio Driver and choose Update Drivers.
  • Now, wait for Windows to search, automatically download and install the latest updates for your adapter.

2] Disable Realtek Audio Drivers

Disable Realtek Audio Device

Disabling and enabling the audio drivers via the Device Manager could help solve the issue for the time being, if not forever. Here’s how to disable and then re-enable the audio drivers:

  • Start by bringing up the Device Manager by searching for the same in the Start Search Box.
  • Here, expand the Sound, Video & Game Controller menu.
  • Right-click on Realtek Audio Driver and choose Disable from the dropdown.
  • Similarly, now right-click the driver again and choose Enable.

3] Make Changes to Registry

Make Changes to Registry Fix HD Audio Background process using High CPU in Windows 10

There’s a simple registry way one could use to fix changes in the process consuming high CPU memory. However, before making changes to the registry, make sure to take a backup:

  • Open the Registry Editor by searching for regedit in the Start Search Box and choosing the Best Match result.
  • Navigate to the following path:
HKEY_LOCAL_MACHINE/SOFTWARE
  • Right Click on Software, and choose New -> Key and name it as SRS Labs.
  • Once created, right-click on the new key and choose New -> Subkey and name it as APO.
  • Now, restart your Windows computer, and check if you can notice any difference.

4] Re-Install Realtek Audio Drivers

Re-install Realtek Audio Driver

Finally, if none of the above methods seems to be working, uninstalling the adapter and installing it back again might be the last option. Here’s how to re-install the Realtek Audio drivers on your Windows 10 PC:

  • To begin with, pull up the Device Manager by searching for the same in the Start Search Box.
  • Expand the Sound, Video & Game Controller menu on the page
  • Here, right-click on the Realtek Audio Driver and choose Uninstall Driver from the dropdown.
  • Once uninstalled, click on the Scan for hardware changes icon present on the top, and wait for Windows to find the required driver for your PC

That said, did the above-mentioned solution work for you? Do let us know by dropping a comment down below.

A long-standing Windows fan, Photographer, and Tech Enthusiast who loves to write about Smartphones and Technology.

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