Which Operating System are you using on your laptop?
Which device are you using, a DSL Modem or a Router?

Make sure that you have acces to your Router as admin and enable
Web Interface.

On...

If your Internet Service provides a secure wireless connection to
internet ,only then you should enable the WEP(Wireless Encryption
Protocol) in the wireless network properties otherwise keep it...

After removing anti-virus completely from
your computer if you still face the problem
of browsing internet,than check the DNS Server.



First tell us which OS are you using ?

I have a question and I hope any experienced and knowledgable IT professional answers my question and removes my confusion.


For example if I have a DNS Server in my local network and my network...

Sir you don't have to return the wireless network card because it is not faulty.

If it would have been faulty then it would not have worked properly at friends house.

First tell us which OS are...

The MSN and Google might have the ICMP
blocked on there Servers.

Try other websites, are you able to access other websites from that computer?

You mean to say that you are not able to access internet although you are connected.

If you are able to successfully ping the websites and not able to browse them then check the browser settings?...

Try to disable and renable the LAN connection.

I would recommend you to use a switch instead of a hub and connect your both PCs with the switch and the switch should be connected to the ISP Modem...

Do you have a WAP(Wireless Access Point)
in your network?

Maybe the connection between the router and the ISP Modem is breaking or there could be a problem between your Computers connection to...

Which OS are you using?
If your computers are connected to a router than how have you configured the default gateway settings in your computers? The LAN or local interface of the router with which...