It's kind of weird because everything else works perfectly, but putting speakers or headphones in (both front and back) and you can only hear the beeeeeeeep sound and a very tiny amount of actual sound.
I'm having a little trouble understanding your post: do the speakers and headphones play a BEEEEEEEP instead of t he normal sound, or is this a sound coming from the actual hardware?
That sounds... weird. I would mess around with your audio drivers (uninstall and reinstall) before diagnosing a hardware issue. Alternatively try booting into a copy of Linux on a USB drive or something to see if it's a software issue.
Is the sound you're getting an actual system noise, or is it more like interference?
it's possible for video cards and hard drives and probably other components to give off electronic noise that can get picked up by the wires that go into your headphone jack.
I had this happen to a computer long ago after I installed a new video card, and I was able to fix it by moving the card to another slot and using some ties to route the cables to the headphone jack away from it. This may or may not work in your case.
You can also apparently get shielded cables, but I don't know anything about those.
faux ed: also if you're plugging things into multiple head phone jacks, it's possible your sound card thinks one of those is a microphone or something (thereby generating feedback.)
it was the smallest on the list but
Pluto was a planet and I'll never forget
OK, could be a magnetic shielding or interference issue:
first of all remove any non-essential electronic devices (namely phone) away to discount any GSM buzz
try another pair of speakers/headphones
move speaker cables away from other cables
inspect case and drive bays for any openings (could be letting wireless signals into case or signals could be trapped)
move pc to a different location (move on floor if on desk - vice versa)
move speakers around
also, if the whine changes pitch when you move mouse around it's down to the USB controller - try googling "USB hissing/whining"
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I've tried messing with the drivers, no luck.
it's possible for video cards and hard drives and probably other components to give off electronic noise that can get picked up by the wires that go into your headphone jack.
I had this happen to a computer long ago after I installed a new video card, and I was able to fix it by moving the card to another slot and using some ties to route the cables to the headphone jack away from it. This may or may not work in your case.
You can also apparently get shielded cables, but I don't know anything about those.
faux ed: also if you're plugging things into multiple head phone jacks, it's possible your sound card thinks one of those is a microphone or something (thereby generating feedback.)
Pluto was a planet and I'll never forget
I tried putting the old vcard back, still had the sound. And I have only one PCIE slot.
Oh and if I turn computer system sounds all the way down, it doesn't affect the high pitched sound at all.
It's just super weird that if it's a motherboard problem, that everything else works great.
first of all remove any non-essential electronic devices (namely phone) away to discount any GSM buzz
try another pair of speakers/headphones
move speaker cables away from other cables
inspect case and drive bays for any openings (could be letting wireless signals into case or signals could be trapped)
move pc to a different location (move on floor if on desk - vice versa)
move speakers around
also, if the whine changes pitch when you move mouse around it's down to the USB controller - try googling "USB hissing/whining"