Support connected to wifi but no internet

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http://androidforums.com – i have a dlink n150 router..my phone find it just fine and when i try to connect then input password..it connects just fine but when still unable to use internet..i tried this using static ip..entered the correct subnet mask, gateway, ipaddress and it connects just fine.. tapping the network it says Status Connected Security WEP Signal Strength Excellent Link Speed 54mbps ip address (General)