Envy 15: HP ENVY sudden screeching audio and graphics lag spike

So, for a few months now, when I'm playing Dota 2 or watching youtube videos, will lag all of a sudden my HP ENVY 15 and a shrill noise coming through my headphones. Essentially, it freezes and I have trouble getting the keyboard and mouse to react this way. After about a minute late shrill and intense, he slowly starts working again.

I searched the Internet and found this thread archived on an ASUS laptop that had the same problem as mine.  http://Rog.ASUS.com/Forum/archive/index.php/t-14960.html?s=d5a890ce396bc7d95eb5990f9123650a

In this thread, they seemed to think the network drivers or Mcafee has been the cause of the problem. I didn't ' have Mcafee and I updated my drivers for Realtek network card, and the problem has not disappeared. In this thread, someone posted a video on youtube showing the shift, and it's exactly the same thing is happening to me:

https://www.YouTube.com/watch?v=VZdmM1qjLxk

01:35-02:10, it is the noise right, I hear, accompanied by crazy stuttering on my computer.

My product number is C8P47AV.  Someone at - it ideas?

Hi @GeneralSu ,

Thank you for visiting the Forums HP's Support and welcome. It's a great site for information and questions. I looked in your question about your laptop 15 HP ENVY TouchSmart and sudden screeching audio and graphics trolling. Here is a link to the computer hangs or freezes which may help.

Any Virus protection program can cause the same issue. Try disabling it temporarily to see if that helps.

You could try a refresh with Windows 8. Please read all the documents before you start. Will arrange your sound and trolling.

Note Remove all USB devices. Disconnect all devices of non-essential, as these can cause some problems.

Hope this helps, please let me know.

Thank you.

Tags: Notebooks

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