You changed the DNS server address on your computer, or was it on the router? Also, did you set it to the raw IP address, or the name? Finally, what OS is your system running?
rubberman
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What browser do you use on the laptop and desktop? Are you trying to access Yahoo! with http, or https?
rubberman
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So I guess it is something to do with the current wi-fi router's configurations.
I think you are correct, given you have tried all of the rational things. One thing that comes to mind now is that the WiFi router may have some sort of parental control or other filter enabled that be blocking this connection. I know I can do that on my router if I wanted to. You may want to check the router configuration pages to see if there are any such filters or blocks enabled.
rubberman
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Sorry, but I'm clueless also! This is when I would start banging my head against the wall... :-(
In any case, SOMETHING is interfering with your connection to yahoo. You say this only happens with the wireless, and not using a wired connection to the router? Or with both?
rubberman
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Ok ... I don't suppose you have tried another router?
rubberman
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