Quote: Originally Posted by Duzzy
Not really relevant but I thought I'd just say that I get pops and crackles from my speaker system when someone turns on the kitchen light or someone uses certain power tools in the shed, it's really annoying.
Had the same issue at our home before we upgraded our electrical panel. Apparently a 100 amp setup is not enough to power a two family home and caused all kinds of issues like the one you described, including the lights dimming slightly when the fridges/AC's kicked on. Once we made the switch to a 200 amp panel all was well.
A cheaper solution to fix the issue is a battery backup unit, like an APC. That will eliminate all that, at least for whatever is plugged into it.
Also worth noting is that some older boards had a pci latency option in the bios and bumping it up a notch helped out but I have not seen that in ages.