PS3 will not connect wirelessly

Hello,
My PS3 will only connect wired, same thing with the controllers. I've turned off/on the router, modem and PS3. I've disabled Media Server. I scan when trying to connect and I get the message, " The Access point was not detected." The router is on the same floor as the PS3 and only about 15' away. So I can't figure out what the problem is. And again the controllers are not connecting wirelessly either and I've reset them. Thank you for your help