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I am able to set the WiFi connection between my Lenovo 5570 laptop having Windows 7 Home Premium and the Xperia SL with Android OS (Ice cream sandwich version). The problem is that I am not able to access the internet even though both the devices are connected with excellent signal strength.

Kindly suggest the solution to rectify.
Is there any problem from my antivirus? I mean is that blocking the external devices to access it? I don't know how I can disable such things. As of now I am not getting any pop ups as such.

Additional information: (from the comments, added here by Izzy)

  • disabling the Firewall does not help
  • disabling/uninstalling AntiVirus from the Laptop does not help
  • mobile device only shows "connected" when configured with a static IP, but fails completely via DHCP (tries to configure the IP and then shows Limited connectivity)
share|improve this question
Any firewall on the Windows PC which might block you? – Izzy Feb 18 '13 at 7:25
No.. I disabled the firewall to check it. Even then it is not working. – sunil Feb 21 '13 at 5:15
I even uninstalled the Antivirus from my laptop. – sunil Feb 21 '13 at 5:15
One more point: My mobile shows connected only when i configure the statis ip address. If i Use DHCP then it will try to configure the IP and then shows Limited connectivity. So i configured it manually. – sunil Feb 21 '13 at 5:17
I've compiled the essence of your comments into your question, so potential helpers have it easier to catch them. Might sound stupid, but did you make sure to use a unique IP when configuring it statically (i.e. one not yet existing in your network), and does it belong to the same network you use at home (e.g. 192.168.1.*)? When connected, can you ping that IP from your laptop? – Izzy Feb 21 '13 at 7:36

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