10-06-2016 08:06 PM
The light on this button has always been dark when volume was on, and orange during mute. This condition seems to have started with recent, unknown update. Don't know if it is a keyboard issue or sound driver issue. Can't find drivers for either on HP drive download site.
10-06-2016 11:49 PM
Try installing the IDT HD software package on the following link.
When done, restart the notebook.
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Windows Insider MVP