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Wireless router: valid ip configiration
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Posted November 23, 2011 at 7:35PM
Being a lurker and now finally joined the site !
I have a linkys router running 3 laptops ( x2xp and win 7) - power uo the router and any of the 3 laptops connect ok - here's the problem whenyou try and connect a 2nd laptop it connects to the router but not to the internet. On the win 7 laptop open up network sharing centre, run the diagnostics and you get the following message: wireless network connection does not have a valid ip configiration - if you disconnect and reconnect still the same problem, the only way round this is to power down and power back on the router which isn't always convenient as obviously the other laptop already connected losses connectivity -
Is it terminal or a simple solution ?, on the verge of buying a new router - Any ideas please?
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Posted November 25, 2011 at 11:36AM
When you boot a second Laptop and it doesn't have internet access, run ipconfig /all in a Command Prompt window to see what IP address it has.
Go to “Start > Run”, type…
cmd.exe /k ipconfig /all
...and click OK. This will show details of all network adapters installed in the PC. If it doesn't have a correct IP address (probably 192.168.1.x) then, in the same window, run the command...
...and see if it gets the proper address. If there are still problems, one option is to give the three Laptops fixed IP addresses. There isn't a problem using fixed IP addresses but, if you were then to try to connect to someone else's router which uses a different Subnet (IP address range), it would be necessary either to revert to automatic addressing or to allocate an address in the new range.
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