Hp pavillion 9700 problem?

What can I do when my laptop hp pavilion 9700 is not identifying the network

Everything says it's working excellent but at the top it says

This computer --- unidentified network? ------- Internet please and thank you all that helped

HP EliteBook 8440p Notebook Intel Core i7 640M(2.80GHz) 14" 4GB Memory DDR3 1333 320GB HDD 7200rpm DVD Super Multi NVIDIA Quadro NVS 3100M

HP EliteBook 8740w Notebook Intel Core i7 620M(2.66GHz) 17.0" Wide SXGA+ 4GB Memory DDR3 1333 320GB HDD 7200rpm DVD Super Multi NVIDIA Quadro FX 2800M

HP Pavilion dv6-3230us NoteBook Intel Core i3 370M(2.40GHz) 15.6" 4GB Memory 500GB HDD 5400rpm DVD Super Multi Intel HD Graphics