Question about Sony Realtek High Definition Audio
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Posted on Jan 02, 2017
SOURCE: No audio device on notebook
Sounds like you indeed have a problem with an audio hardware driver. Presumably the 'Audio Device on High Definition Bus' is the system detecting a device it doesn't have a driver installed for.
First question - was the sound working previously? If so, did you recently install any type of audio software not related to the sound device itself?
Please provide the exact model number of the VAIO notebook and we can point you to the correct driver and try that for starters.
Posted on Mar 01, 2008
go to this URL:
look for the driver you need by model number.
Posted on Jun 03, 2009
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