bit of a noob, just plugged my new speakers into my Advent Monza N2 laptop and they buzz hideously. unplugging the laptop to allow it to run off its battery does not fix the problem, it merely lessens it. The speakers are
http://www.amazon.co.uk/Channel-Speaker-Compatible-Desktop-Ricco/dp/B006CQ824W/ref=wl_it_dp_v_nS_nC?ie=UTF8&colid=2ZT3TVZ8VICYK&coliid=I1H3QSC38LTLR7
http://www.amazon.co.uk/Channel-Speaker-Compatible-Desktop-Ricco/dp/B006CQ824W/ref=wl_it_dp_v_nS_nC?ie=UTF8&colid=2ZT3TVZ8VICYK&coliid=I1H3QSC38LTLR7