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It looks strange. When installing Ubuntu 12.10, the wireless network is OK. However, after installing and restarting, there is no available network.

Windows 7 is also installed, and Ubuntu is installed after Windows 7.

Every time I start Windows 7, the wireless network is ok.

How to access the wireless network?

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Could you append to the question the output of sudo lshw -C network -numeric? –  Sneetsher Jan 24 at 15:00

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