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mruthjh Level 1 Level 1 (0 points)

I can't seem to connect to Ethernet with my Retina MacBook Pro. I bought an adapter and when I plugged it in, the network setup assistant showed that I was connected to the internet but my web browsers (Safari, Firefox and Chrome) couldn't connect, nor could any other programs (like Mail). The error message said that my computer was not connected to the internet, which did not match what Network Diagnositcs said. After a phone call with Apple Support, I had a replacement adapter mailed to me. With the new adapter, my computer now says that it is connected to the internet and I even have an IP address, but programs still can't connect and I get an error message saying the DNS lookup failed. This happens even when I manually enter the DNS server. I have already tried running the Thunderbolt software update 1.2.1 as well as the recent Thunderbolt firmware update, but the installer says they are not compatible with my computer. The problem occurs for both Thunderbolt ports. Is anyone else having this issue? I have no problem connecting to WiFi, so my temporary work around is using internet sharing on my old MacBook, which can connect to the ethernet connection in my apartment with no problems.


MacBook Pro with Retina display, Mac OS X (10.7.4)
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