Wifi ISSUE! full signal but not load page

[focamonca]

yesterday the wireless worked perfectly but today it has Full signal but dont load the pages!
i've tried to reboot the AP and also the SGS2 but the wifi works only on my netbook
HElp me please

as you can see:

 

[JJEgan]

Delete wifi point on phone and reboot then make new wifi point .
That fails wipe again and set router with no security and no password see if phone picks it up .

jje