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[SOLVED] How can I check if my wireless card is broken?

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linux-howto

http://ubuntuforums.org – EDIT: I am an idiot. The problem is solved. I have owned a Dell Studio 1558 for almost 4 years. Until last week wireless worked fine in both Ubuntu 12.04 and Windows 7. Last week wireless stopped working in both operating systems. I do not have a hardware on/off switch for my wireless card. I have opened up my computer to take the card out and put it back in again (in case it got bumped loose or something. Still wireless does not work. My issue is that my computer does not show any connections as available when I know there are connections in the area (that other people are able to access). (Hardware)