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Network Sends but does not Receive
The first symptom of this that I usually hear is “I can’t get the Internet any more”!
First ensure that you are logged on to a “Computer Administrator” account.
Go through Start, (Settings), Control Panel, (Network and Internet Connections), Network Connections and double left click on the Icon for the connection that is not working. The Connection Status box should open at its General tab.
A correctly working connection should show figures against both Sent and Received Packets in the Activity area at the bottom of the box.
But if the Received Packets are zero then you have a problem - your PC is sending but not receiving. That means that nothing else (Router, Switch, Hub, Server, or PC) on your network recognises your PC.
Whilst in the Connection Status box General tab, left click on Properties which should open at its own General tab. Left click to select Internet Protocol (TCP/IP) and then left click on the Properties button below it.
The Internet Protocol (TCP/IP) Properties box will open at another General tab. This is where the IP and DNS server addresses can be set. In most networks, especially most home and small business networks, the “Obtain ..... automatically” options should be selected for both of these.
I have seen several examples recently of PCs where the “Obtain ..... automatically” options have been switched off and valid IP and DNS addresses inserted in the appropriate fields. Unfortunately the Routers did not recognise these addresses, hence the PCs did not receive.
How this could have happened without knowledgable user intervention I don’t know, but it did.
In general, PCs connected (wired or wirelessly) by an ordinary modern home network with a router should all be set to “Obtain ..... automatically”.
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