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I am new to Ubuntu I have installed Ubuntu 12.04 as partition (with dual boot) using Wubi. In that my WiFi is working fine but LAN is being detected but its not working. I have tried some of the solutions like:

I opened: gksu gedit /etc/network/interfaces

I added these lines to the file:

auto eth0
iface eth0 inet dhcp

Then I restarted the network:

sudo service networking restart

But still the problem persists. Why does Ubuntu 12.04 has issues with LAN when installed?

any help would be appreciated

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If you are using NetworkManager to configure interfaces then remove the auto eth0 and iface eth0 lines from /etc/network/interfaces and use the NM Connection Editor to configure eth0. If you are not using NetworkManager then check your DHCP server configuration. –  jdthood Mar 20 '13 at 10:08

1 Answer 1

Try Remounting the system and restart the network manager once. Your problem should be fixed. Also you can know more from this previous thread and help to solve your problem.

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