None of my devices will connect to wireless?

I'm having a problem. My laptop won't connect to wireless anymore, so I decided to use my iPad, iPhone, and Nintendo 3D. They managed to connect to wireless just fine. Now today, none of those three won't connect to wireless at all. I decided to use my iPod, it connects fine, probably for now. Any ideas what's going on? No one else is having this problem, but me. When I made my laptop connect to some other wireless, it works just fine.

Problem with the router, try unplugging it for a minute to reset it and then try again

Check Wi-Fi router configuration.
Check firmware updates on internet and update if available.

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