Step 2:snag the current playback gear in use and by default it should be the speakers.
Double-tap on it to open its properties window.
Step 2:ExpandSound and audio devices.
Step 3:Right-clickon thecurrent sound driverand chooseuninstall.
Step 4:Finally, click onScan for hardware changesand the updated driver will be automatically installed.
Scroll to the right using the directional arrows on your keyboard to locate the Integrated Peripherals section.
Step 4 : Locate the primary audio gadget in the Integrated Peripherals menu.
Step 5 : deactivate the audio gadget by using the directional arrows to navigate to the category options.
source: www.techworm.net
