After the June 2 update to Ubuntu 12.04 LTS, I must use
sudo NetworkManager to connect to the Internet on my Lenovo R61i laptop.
closed as off topic by Jorge Castro, Eliah Kagan, fossfreedom♦ Jun 16 '12 at 10:47
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I too have this problem on an Acer Netbook. As soon as I
I can reinstall if required but would like to solve the problem as a learning exercise if at all possible.