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Hi
Not being able to connect directly with the modem might be authentication
issue (ID and Password), the process is probably done by the Router..
You best bet is to try to solve the problem via wire connection.
Try to assign to the Wire TCP/IP connector a static IP that is on the same
subnet as the Router, if you would be able to connect to the Router you
might be able to reconfigure the system.
If the Router is 192.168.1.1 assign to the wire connection a static IP of
192.168.1.20 (the first three groups must be the same).
May be this can further Help, http://www.ezlan.net/debug.html
Jack (MVP-Networking).

"Kainrever" <> wrote in message
news:AA761E0D-4F14-4C6B-AF1D-...
> Hello,
>
> I am using a Dlink DI 524 (rev C) router.
>
> I recently played around with some of my Wireless settings for some stupid
> reason. I have done so by going to TCP/IP Properties and putting in
> specific
> IP and DNS addresses. However, I have changed the settings back to what I
> originally had - "Obtain and IP address automatically" and "Obtain DNS
> server
> address automatically".
>
> Since I have changed the settings back to the originals, I have been
> unable
> to go on the Internet via both my wireless connection AND a LAN line. So
> even
> connecting a cable modem directly to the computer does not work. In both
> situations I get the "Limited or no connectivity" line, although the
> signal
> strength is fine and my brother's LAN connection from the router works
> fine
> too.
>
> I keep getting the "169.x.x.x" IP address because my DHCP cannot assign a
> valid IP address from the network.
>
> I'm at the end of the road and do not know what to do. Any help would be
> much appreciated. Thanks!
>
> I'm not a technically inclined person and should not have done that
> tweaking. If