Poate dirverul are un conflict cu sistemul.
„The way to test the realtek driver by switching to the native driver:
1. Open the Device Manager.
2. Expand the "Sound, Video & Game Controllers" section.
3. Right click on "Realtek High Definition Audio" and select to uninstall.
4. Put a check mark in the option to delete the driver software, and then ok.
5. Restart the laptop."