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I installed 14.04 to my Dell D520. I cannot connect to either ethernet or wifi. The icon in the upper right corner does not show any network devices. HOw do I fix this?

user273664
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1 Answers1

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try this , it will solve your eth0 problem:

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

and for wifi if you are shown b43 firmware not installed on start on your Ubuntu try this : 

sudo apt-get install firmware-b43-installer

and if any other firmware is missing try opening that site

Lucio
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Dhruv Narang
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