Hi,
It would be interesting to know which browser you used.
I would do the following test: try to load a page in another browser such as Google, for example CHROME and verifies whether charge.
In case you do not load the page, you could have a configuration problem DNS. It would be interesting to test the connection with another computer and check if you access the website correctly. If correct, the problem you have on your computer, you probably have assigned a wrong DNS in manual mode, the TCP / IP configuration of the network adapter.
If, CHROME load properly, the problem is the browser for which you can try to uninstall and reinstall from the option PROGRAMS AND FEATURES. Another alternative is to find a restore point prior to the date on which the problem detects system. I hope I oriented. Note that had few details to give you more as a solution