vga audio works but hdma audio not working

hi,

I bought below monitor.

It has 2 sources.
1. hdma(if i connect to the laptop laptop audio stopping even though video is coming on monitor)
2.  vga(if i conect to laptop both audio on laptop is not stopping making me to hear audio of the movie and also video playing on monitor fine)

my question is how to fix audio when hdma wire connected as one of my lnew laptop only has hdma no vga

all my laptops has windows 10 on them as OS

Please advise
LVL 7
gudii9Asked:
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Dr. KlahnPrincipal Software EngineerCommented:
Go out to Device Manager.  (Windows+R, devmgmt.msc, Run as Administrator)  See if there is an HDMI audio device.  If there is, right click on it and select Disable.

HDMI audio device in Device Manager

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gudii9Author Commented:
https://www.youtube.com/watch?v=S-wu3hBS9pc

above fixed issue

not sure if i have to do this everytime?
nobusCommented:
normally 1 x is enough
you can test by rebooting
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