Fix: COD Modern Warfare 2 Audio Not Working or Sound Cutting Out

Call of Duty: Modern Warfare II is the new edition in the FPS game by Infinity Ward and Activision, and it is a direct sequel to 2019’s Modern Warfare, which has been superhit due to the graphics, gameplay, and background music. This guide is for you if you’re having trouble with audio while playing COD Modern Warfare 2. This tutorial will help you fix the audio not working or the crackling sound issue.

Fix: Call of Duty Modern Warfare 2 Audio Not Working or Crackling Sound Issue

Affected players reported on Reddit that while playing on the console, the headset turned on, but they barely heard anything else. It seems like everything gets muffled and mixed with lower volume. It ruins the gameplay experience and nothing else. At the same time, some players have also mentioned that there is no issue with the headphones except for the speakers.

1. Repair Game Files

First, you should try repairing the game files in battle.net or Steam client to check whether the problem has been fixed. Sometimes, some issues with corrupted or missing game files can be there. To do so:

Battle.net users

1. Click the cogwheel next to the Play button and select Scan and Repair.
2. Click Begin Scan.
3. Wait for the repair to finish.

Steam Users:

• Open up Steam > Go to Library.
• Right-click on the Call of Duty Modern Warfare 2 game.
• Click on Properties > Go to the Local Files tab.
• Select Verify Integrity of Game Files…
• This process will start to be verified and may take some time to complete.
• Once done, close the Steam client, and restart your computer to apply changes.

2. Disable Nahimic Audio Driver

Nahimic is an Audio Driver that your PC manufacturer selected to give you an optimized audio experience on laptops, motherboards, and more. It is a trusted driver designed to optimize and tune the audio performance on your computer.

• You’ll have to go to Task Manager (Ctrl+Shift+Esc), then head over to Startup.
• Now, disable the Nahimic audio driver from the list.
• Finally, restart the computer to check whether the problem has been fixed.

3. Update Audio Drivers

It’s worth mentioning that Realtek Audio Driver users can head over to this article link to easily download and install the latest version of the audio driver for their specific motherboard or laptop model. Additionally, you can follow the steps below to update the active graphics driver on your Windows computer.

• Press the Windows + X keys to open the Quick Link Menu.
• Now, click on Device Manager to open it > Double-click on Sound, video, and game controllers.
• Right-click on the active or problematic audio device > Select Update driver.
• Click on Search automatically for drivers > Wait for the process to complete.
• If there is an update available, the system will automatically check for it, and install the update.
• Once done, make sure to reboot the system to apply changes.

4. Reinstall Audio Drivers

Possibly, the audio driver on your computer has been corrupted or missing for some unexpected reason. Now, if you’re also feeling the same, make sure to reinstall audio drivers on the PC by following the steps below:

• Press the Windows + X keys to open the Quick Link Menu.
• Now, click on Device Manager to open it > Double-click on Sound, video, and game controllers.
• Right-click on the active or problematic audio device > Select Uninstall device.
• Click on Uninstall again to confirm the task > Wait for the process to be completed.
• Once done, make sure to restart your computer to apply changes.
• After the reboot, the Windows system will automatically reinstall the missing audio driver or device (if connected).

However, if it doesn’t get installed by the system automatically,, then note down the computer model number or the motherboard model number and directly visit the official manufacturer’s website to download & install the latest audio driver.

5. Remove Call of Duty Modern Warfare 2 Config

You should try removing the Call of Duty Modern Warfare 2 Config file on your PC to check for the issue and whether has been fixed or not. To do so:

• Head over to File Explorer (This PC) > Go to the C: drive (where you’ve installed the game).
• Now, go to the specific directory – username\documents\Call of Duty Modern Warfare 2\settings and delete the Call of Duty Modern Warfare 2 config file.
• Once done, reboot your PC to apply changes.

6. Check the Wires of the Audio Output

Check out the audio output device and wires to see whether they’re properly connected & plugged into the valid port. It’s quite a simple thing yet effective because sometimes users may forget or make mistakes a lot.

7. Disconnect Other Peripherals

It’s also worth mentioning disconnecting other peripherals to check for the issue again. Just try using a minimum number of external USB devices to ensure what’s actually causing the issue.

8. Test Out Other Speakers or Headsets

Make sure to test out other speakers or headsets with your computer while playing the Call of Duty Modern Warfare 2 game to check if there is an issue with your existing speaker or headset.

9. Power Cycle your PC

Sometimes performing a power cycle your PC can fix multiple issues with the game. To do so:

• Make sure to power off the PC and unplug the power cable.
• Wait for around a minute or so and then power on the computer to check for the issue.

10. Turn Off Windows Sonic or Spatial Sound

If your desktop or laptop has the Windows Sonic or Spatial Sound feature then make sure to disable it by following the steps below:

• Click on the Start menu > Go to Settings > Click on System.
• Now, click on Sound > Select Related settings.
• Go to Sound Control Panel and select a playback device.
• Next, select Properties > Select Spatial sound.
• In the Spatial Sound format, select Windows Sonic for Headphones.
• Finally, select Apply, and reboot the PC to change effects.

11. Reset BIOS

If in case, resetting the overclock feature won’t work for you, ensure to try resetting the BIOS/UEFI menu as well. By using the same above process, boot into the BIOS/UEFI menu. Then find the BIOS Settings Reset or Default BIOS Setup and select it to confirm. Once done, restart your PC.

12. Update BIOS

There are plenty of shortcuts and in-depth tutorials available online in order to safely update your Windows system BIOS/UEFI according to your motherboard brand without any issue. Just like the Windows update, BIOS update is also useful and necessary to perform to fix plenty of crashes or errors.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.