Hey Myron, Thanks Do you mean that it’s most likely due to either the Ethernet port of My Book Live or Airport Extreme is faulty? If that’s the case, I’m not sure how do I check it? I’ve tried using other port of my Airport Extreme and it’s still negotiating at 100Mbps (Yellow light). It seems unlikely that the airport extreme is faulty. Perhaps I should buy another Ethernet cable to test it first. Thanks again