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Can't wait till raring officially release, I decided to use daily-image of it.

However, my ethernet is not working. cannot be selected and activated to retrieve DHCP from my LAN.

It was working when I bootup my ubuntu with LAN cable attached, but to day I rebooted many times with attached cable the ethernet still not working.

WLAN is working just fine.

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3 Answers 3

Reset to default
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Somehow it went up (the Ethernet picking up the DHCP on my LAN) after I plug the laptop charger/adapter as the battery ran out

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    I have to say that I read your answer because I was having the same problem and I was laughing really hard because of the solution that you gave.But once I connected the laptop to the charger the wired connection worked and I couldn't believe my eyes.This is like the weirdest bug I have ever seen in my life.Anyway thanks for your help! :))
    – und3rd06012
    Apr 26, 2013 at 21:33
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    I've got the same problem and filled a launchpad bug: bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/…
    – Vilmantas Baranauskas
    Apr 29, 2013 at 6:38
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There's a current bug report on LaunchPad and the latest news is that the fix is due with the 3.8.13 kernel updates.

I'm using 13.04 on a Dell Latitude e6430u with the same problem (Intel NIC).

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I'm experiencing the same issue. Using Paul's supplied link to the bug I've used the workaround that is mentioned there - simply type this into the command line:

echo on | sudo tee /sys/class/net/eth0/device/power/control
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