Try connecting with cable and check if ur re able to go online if u re getting the message as limited or no connectivity in the wireless area network , wireless is not configured properly or wireless key entered is incorrect try opening the gui page of router try if ur able go online with the safe mode (restart ur computer press F8 till u get black window with the message as safe mode with networking) choose ur logon and check if ur are able to go online, if working its antivirus and firewall issue check the setting in the browser for internet explorer (go to tools internet options , connection and select to never dial a connection , they check in lan if no boxes are ticked) Try resetting the internet explorer or the brower u use