Connectivity of the Internet with Windows 7

I have a desktop computer with Windows 7 installed and a laptop with Windows Vista installed.  I access the internet via a wireless network.  Installed with Windows 7 computer has network connectivity, but not internet - diagnosis suggests that the problem is that with the internet connection to the modem, however, my laptop has network connectivity and the internet.  What is the cause with the desktop internet connectivity problem?  What can I do to fix this?

Dumbo,

Many people have difficulties to internet connection as a result of the recent update to Win7.  It has nothing to do with their AV. applications

The update KB2705219 is said to be, the cause and uninstalling has resolved the problem at least a user [who did not provide more details, he comes to say it was fixed].

Tags: Windows

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