Sound acceleration settings provide you with more advanced sound options such as surround sound. You must have a supported sound card and speakers to enable and disable sound acceleration. If your card supports acceleration, disabling the feature speeds up your computer and helps you troubleshoot sound issues with your computer. It also helps speed up your computer if its memory resources are low.
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Right-click the speaker icon in your Windows system tray and select "Playback Devices." This menu option opens sound cards and speakers on your computer.
Click the sound card you want to set up. At the bottom of the sound card list, click the "Properties" button to open the main sound card information.
Remove the check mark next to "Acceleration" to disable the feature. Click "OK" to save the settings. Reboot the computer for the settings to take effect.