CentOS 7 on NUC7i5bnh has no audio on HDMI

Issues related to hardware problems
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JLGull
Posts: 1
Joined: 2017/10/13 22:50:19

CentOS 7 on NUC7i5bnh has no audio on HDMI

Post by JLGull » 2017/10/13 23:11:32

I am new and I could not find a link to a similar problem.

I can not get any sound to my speakers from the CentOS Sound, Speaker Test.

I have installed CentOS 7, Kernal 3.10.0-693.1.1.el7.x86_64, on an Intel NUC7i5BNH.

This PC has the following CPU and Graphical:
CPU: Intel Core i5-7260U
Graphics: Intel Iris Plus Graphics 640

I am using HDMI, the NUC output goes through an IOGear HDMI KVM switch to an Acer monitor and my speakers are plugged into the monitor.

I have swapped the cables between the 2 PCs attached to the switch.

When the Left Speaker test button is touched, I get a small pop.

I verified that the 2nd PC continues to work using the KVM switch after I moved the cables.

Thanks for any suggestions.

iwishitwouldwork
Posts: 88
Joined: 2014/02/08 14:56:39

Re: CentOS 7 on NUC7i5bnh has no audio on HDMI

Post by iwishitwouldwork » 2017/12/02 16:53:22

i have a feeling this won't help, but....

in the gnome workspace manager

system tools --> settings --> sound
and i always have to click on the hdmi line -- hdmi isn't the
default.

i can't remember whether i got a "pop" or not.
my kvm is an iogear miniview, FWIW.

j.

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