Wifi Connected but cannot access in Internet  

Hi,
Here and about a month i have a problem with my internet connection.I use a modem with wifi support and all this years(2) my hp 620 laptop with windows 7 home premium x64 connect successfully , but now after a couple of minutes my network(wifi) icon shows me that i'm fine connected in the internet but when i'm trying to go for example to google with deferrent browsers(Mozilla,Chrome,Internet Explorer,Opera) it just not connecting.
I'vw try many fixes(install,reinstall driver , even i called tech support for my modem and they do not do anything).What can i do?
Sorry for my bad english,i'm from Greece and i'm still practising XD

Need more info:

> What is the model of the modem?
> If it is a driver issue it should show up in device manager with a "yellow triangle and a black exclamation mark" - is this what you have?
> Have you installed any new hardware or driver related software around the time the problem occurred?

More often than not the modem is usually the culprit for loss of internet connection - try resetting if you can (that's why i wanted the model).

Hope this helps

So as i already said i'm from greece so here we dont have something like thomson my company is WIND , and my modem's name is WIND
No it doesn't show me any yellow triangle all drivers are just fine
i've not installed any new hardware or driver

I've been trying resseting the modem about 200 times(20)

With all your drivers being fine and no new hardware or drivers the only other suggestions I can think of is its probably a software conflict or your modems settings are incorrect (which I cannot advise on how to change as I am unaware WIND).

First of all try checking all your settings of the modem if that doesn't work you could try the modem on a different computer if possible to see if it could be a software conflict.