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At first I could detect wireless networks, but after rebooting I can no longer activate the wireless card.

I can connect however to the internet via cable, wired connection but not wireless

How do i detect and connect to my wireless network?

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What is the output of lspci –  daslinkard Oct 15 '12 at 0:15

1 Answer 1

Have you seen the Ubuntu community wiki?

There is a very good wireless troubleshooting guide that I suggest to follow.

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