rtl8100c audio driver go to realtek.com and dowload the drivers
...audio driver RTL8100C 83219A1 The yellow question mark means there is an issue with the audio controller or the drivers to make it work. Try uninstalling the drivers through the add/remove software ...
rtl8100c audio driver Click start control panel administration tools computer management device manager scroll to sound video and game controllers you might see a yellow question / exclamation? ! mark
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