Why cant I get my router to give off wifi

The router was working well and all of a sudden it just stopped working.... the router was bought about 6 moths ago at office depot. I have internet on my computer (desk top) but no wi-fi signal. I try'ed calling people to help but they say that everything was okay but I do not have wifi access.. please help!
Asked Jun 06, 2013
The article below describes how to set up a wireless router:

Answered Jun 07, 2013

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