Method 2: Manually uninstall & reinstall the device driver. 1) Still in Device Manager, once again expand Sound, video and game controllers, right-click on your audio device, and click Uninstall to uninstall the driver. 2) Restart your PC. After restarting, Windows should automatically re-install the sound driver.
January 2022. (1) Press and hold power button till the laptop shuts off. (2) Unplug charger. Insert paperclip into reset pinhole on bottom for about a minute. (3) Plug charger back in but wait for battery charge LED to turn steady blue. (4) After turning steady blue turn machine on and immediately start tapping F2 key to enter the BIOS menu.
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