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I have recently started to dual boot ubuntu 17.04 with Windows 10. I am able to connect to my LAN via a wired connection, but wifi shows "disabled" even after checking "enable wifi." I have posted the relevant information in the link below.

http://paste.ubuntu.com/24645496/

System: Lenovo Legion y520

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marked as duplicate by David Foerster, karel, Pilot6, Charles Green, Zanna Jun 30 '17 at 14:36

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Wireless is blocked by the ideapad_laptop module. You can disable it by running

sudo tee /etc/modprobe.d/blacklist-ideapad.conf <<< "blacklist ideapad_laptop"

Reboot to apply.

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