[ubuntu] Device Manager in Ubuntu?

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http://ubuntuforums.org – I moved from windows and I dont know how to disable devices on my laptop. For example I have two wireless cards, one integrated and one USB, i dont use integrated one so I would like to disable it, but I cant find that enywhere. I dont need that wireless card and it is trying to connect to wireless networks, how can i disable that or any other device. Biometric coprocesor too, i would like to disable that one too. (Hardware)