I just bought a D54250WYKH and tried to install Win7 Ultimate.
When intstalling Realtek High Definition Audio Driver for front panel audio jack, it keeps failing and popup error message.
And Windows shows that the driver installation module has been stopped !?
Device Manager does not show any warning of error, but the driver detail seems weird(No provider, manufacturer and version....)
So currently, I have no playing device and recording device in voice control. (except HDMI audio, HDMI audio out works fine!)
Front panel audio jack does not respond to headphone plugin either.
I have tried it on Ubuntu14.04.3, headphone plugin can be detected and seems quite normal.
Does anyone encountered the same issue? or any solution for this symptom?
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