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  • 27.4. Audio Issues on HP Devices
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One of the most common support requests we get here at Vivi is the reporting of sound being in sync between the device you're presenting with and the Vivi Receiver.

This means that when you turn the volume up or down on your HP device, this also turns the volume up and down on the Vivi Receiver.


This issue tends to occur on HP devices only, and the underlying reason for this is that HP runs a Conexant driver that modifies sound differently for connected devices.

Usually when you modify your volume up, down or to mute, what you're actually doing is adjusting the sound by WASAPI (Windows Audio Session API).

However, with Conexant driver, this happens much further up the sound pipeline and therefore mutes any sound further down.


The way in which to fix this is to force the sound device to utilize WASAPI. HP recommends you do this by turning hardware acceleration on the audio device.

See their support page for instructions:

https://support.hp.com/us-en/document/c05851794


In some cases though, this doesn't resolve the problem, as the particular sound driver installed has malfunctioning hardware acceleration.

In this scenario HP recommends you install one of their fixed drivers to solve the issue. See the following table for the relevant driver and download links:


2015

HP EliteBook Folio 1040 G3

HP EliteBook 1030 G1

HP EliteBook 840/848/850 G3

HP ProBook 640/650 G2

HP ProBook 11 G1 EE

HP ProBook 11 G2 EE

HP EliteBook Folio G1

HP Elite x2 1012 G1

HP ProBook 430/440/446/450/470 G3

HP EliteBook 820/828 G3


2016

HP ProBook x360 11 G1 EE

HP ProBook x360 11 G2 EE

HP ProBook 640/650 G3

HP EliteBook 840/848/850 G4

HP EliteBook x360 1020 G2

HP Elite x2 1012 G2

HP EliteBook x360 G2

HP ProBook 430/440/450/470 G4

HP EliteBook 820/828 G4

HP Pro x2 612 G2


2017 & 2018

HP ProBook 430/440/450/470 G5

HP EliteBook x360 1040 G5

HP EliteBook x360 1030 G3

HP ProBook 640/650 G4

HP EliteBook 840/846/850 G5

HP EliteBook 840r/846r G4

HP EliteBook 840/846 G5 HC

HP Elite x2 1013 G3

HP ProBook x360 440 G1

HP EliteBook 830/836 G5

HP EliteBook 1050 G1



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