My wife's comp has a pair of Logitech z625 speakers. They sound fine, but they're afflicted with obnoxious potentiometer scratching that I can only briefly subdue with Deoxit. Is there a better fix?

Peripherals specialist Logitech and the repair gurus at iFixit are ganging up to deliver that most noble of pursuits, making your devices last longer. The basic gist is to sell genuine Logitech parts ...