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My PC as of today will not connect to my router. I have
everything set to automatic. The IP it gives itself is
169.254.50.102. The IP it should get is 192.168.0.100
-199. My mac connects fine still, and I have tried in
different ports on the router, different network cables, and
even plugging the PC directly into the cable modem to
connect. I have uninstalled the NIC and reinstalled. The
connection says it is active, and the router picks up the
MAC address in the dchp list. I have checked the Local
Area Connection Status and it says connected at 100
mbps, with packets sent but zero received.This happened out of nowhere. Any suggestions?
Thanks in advance...

It sounds like you are trying to use the router's DHCP service to provide the next available IP address to your PC. Try locking in a static IP address. If this works, you may need to get the latest drivers or even replace the card.

Try pers solution especially the ipconfig commands, it will likely solve your problem.
If not, the reason you are getting the 169.254.50.102 ip is that the pc can't reach the dhcp at the router. The 169.254.50.102 is actually assigned by xp as a private local ip address when do dhcp connection is found.
Try the cable that you use on your mac and see if thgat makes a difference.
Also, turn you modem, router and pc off then back on in the order: modem, router pc.
If this doesn't work, reset the router to factory settings and reconfigure insuring that the dhcp feature is enabled.
Post back and let us know how you do.
Let us know how you do.Borderrose

I have done the release/renew... and I have tried the
cables... I have reset everything... the PC doesn't see the
router (it does see that it is connected but does not
communicate), but the router sees the PC by MAC address
when I plug it in... and like I said the pc's LAN status says
it has sent data but not received...
Right now I am thinking the card, but I was hoping there
was something I didn't think of to try...

can u ping the router from the pc?
Simon
If at first you don't succeed, hide all knowledge you even tried.

No I cannot ping anything but myself from the PC... and I
cannot ping the PC from the mac...I tried reinstalling networking in windows, and tried
WinsockFix.exe, and still nothing.. it still shows sending
but no receiving of packets and the router still sees its
MAC address and assigns the IP address, but the PC
doesn't actually get it...I have also tried static IP and it still doesn't communicate

Gosh, how did I know that? ;-)
I ran into this issue on my Nvidia Nforce2 motherboard. It happened after I flashed my BIOS.
What has happened it sounds to me is the crappy NIC disassociated itself from its actual MAC address. If you want the quick solution, just disable the NIC and replace it. If you want 10/100, OfficeMax has DLink ones for $5 after rebate. If you want a premium quality NIC, look at Intel NIC's at newegg.com , and if you want gigabit, Netgear is now selling theirs for $30.
MCSE, MCSA Messaging, baby!

just so anyone that finds this knows, the problem was the
NIC... got a cheap used one and everything is fine.

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