My Envy 17 as recently been acting up while playing sound, be it movies, games or just music. This happens at least once every 30 seconds, and I liken it to the sound you get when you touch the speaker jack, you get a BUUUUU kind of noise, laways at the same volume the sound is playing at. I have tested it with the laptop speakers, my desktop speakers, and my friends peakers and headphones and it always happens. it has only been acting like this since my internet speed suddenly got better and I downloaded about 30GB of games of stream in about 4 days. I have next to no knowledge of computers technically, so any help would be appreciated. it's not a completely debilitating issue, but one that is extremely annoying.