HP G50 wireless connection problem

My HP G50 connects to my router, but not to the internet. It's tells me I have limited access and its unidentified network, even thought it shows my wireless router name. I have switched to private network on the HP and reverts back to public. I have even factory reset my HP. The HP with connect to other WiFi without issues. The HP runs on 802.11 b/g does that matter.

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