Recently My Macbook pro is upgraded to OS X 10.7.4 LION. I have used the combo version for the installation. However after the upgrade, the system does not have internet connection. There is no way the system is going to online and not in any manner. Before the update all was fine and working great. At first I tried the network diagnostics but it didn’t work. With the upgrade of 10.7.2, it was very much fine and there was proper internet connection. The internet connection working properly in other computer but not in my Macbook pro. What do I do now?
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