I had the same issue on my i9300- dead ac jack, and told me it would be 500 for a referbed motherboard. I sent it to 800tech.com and they replaced the jack for about $120 shipped. You don't have to replace the whole m/b like Dell recommends. I've also heard good things about laptoprepairdirect.com but they were slightly more expensive.
3/6/08 at 5:32pm