I recently purchased Logitech X-210 speakers for my Thinkpad R40 and every so often, whether I'm playing anything on them or not, I get this intermittent buzzing/humming sound. I'm pretty certain that ...

Hello i have bought a Z540 and they sound great; however when<BR>i turn the volume above 60% i hear a humm along with the music.<BR><BR>The sound card is built into the motherboard, it does not have 4 ...