I lowered my sound to the lowest setting and didn’t see any difference in my fps. It must be the on board sound then or it’s just a load of hoop or work in machines that are struggling.
If a machine is struggling to play the game I’d recommend doing a dual boot with that linux thing as those boys seem to be squeezing every ounce out of their hardware, even if it only to get the likes of a few games going, I know it looks REALLY difficult to get things running in ET but maybe one of the vets could give you a hand.
Don’t anyone call me a fool for recommending linux as a gaming platform 'cos I’m not, I’m just saying it might run ET better on lower specification hardware.