Hi, I am running a 5 year old HP pavilion dv6919ca laptop. I use Bell internet who just recently switched their security package over to McAfee and I installed it several months ago. I have been having sound problems for about two months, prior to this everything worked perfectly. Now most of the time the speaker icon in the task bar has a red x through it and states "no audio output device installed" and there is also no sound or game controllers listed in device manager. At other times the laptop starts up with sound and seems to be working properly but within 20 minutes of watching a video the sound will disappear and when I try to investigate the computer gets really slow or hangs up IE. I have restored my pc back to factory after a ransomware attack but the sound problems after this were the same. My sound is a Conexant high definition audio device. I have reinstalled the drivers-no change. Something is turning off my sound and I don't know how to fix it. Please help.
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