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Sound fades away

HP Recommended
ProBook 450 G6
Microsoft Windows 10 (64-bit)

I have recently purchased the ProBook 450 G6 laptop. I noticed that the sound fades away after a few seconds of playing, then stutters and rises suddenly. This happens with all the browsers and default music player on the PC. I have tried

1) uninstalling the audio drivers and updating them through the HP Support Assistant but it didn't help.

2) troubleshooting as mentioned on the HP website but none of them helped.

3) downloading and installing Realtek HD Audio driver from their website seemed to have solved the problem. But the drivers would update automatically and bring back the problem.


This is getting frustrating, considering the PC is only a week old. Please help me with this issue. 

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