I have a HP laptop with Mint 5 installed. Having my sound on has become a pain in the brain... there is a frequency noise sound that can be heard constantly, even without using any Media. If I do play any media, i.e. movies or music, the louder I put the sound level, the louder the noise.
Best I can describe it is it sounds like a PA system that's just switched on, with no feed plugged in yet.... kinda a wizzing sound.
I don't know how to generate a list of my hardware to post here, so if needed, please do tell as well.