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Win2K PC. Can access workgroup but cannot access the internet.

I need HELP bad!

Tha title might sound simple enough, but please read my letter of frustration thoroughly.

Here's the problem:

One of my client's network went down the other night, I had to replace the old netgear VPN firewall router with another router that's available nearby.  I chose a simple fix of getting a DLink 4 port router that I got from Office Depot.  I swapped the routers and hooked up a switch for the other 4 pc's and a network printer.  Rebooted all the computers and rightaway, all EXCEPT one pc got an IP address via DHCP.  (Computer was getting a 169.254.x.x IP address)

The router at this point is configured and ready to go to the internet.  They are using a static IP from Pacbell.net.

I figured, what the heck, I'll just assign it a static IP address of: 192.168.0.103
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.0.1 (Router's IP)
DNS: 192.168.0.1 (Router's IP as well)

The Subnet, gateway and the DNS is identical to the other 7 PC's that is joyfully surfing the internet.

When I set those settings, I can finally access the server's printer and the rest of the shared drives.  But when I launch Internet Explorer, I get a DNS error or page cannot be displayed error message.  I can ping the router's IP address just fine.  I ping google's IP address of 216.239.37.99 but I cannot ping www.google.com, it comes back with unknown host.

I have tried setting the DNS of this computer to the DNS that the router is getting from the ISP.  I checked the proxy server settings, and no success.  

They mentioned that before the change of the router, this pc was working fine and WAS able to surf the internet.  Hmmm... Are they sure??

I thought the problem was on Internet Explorer, so I have installed another browser, Mozilla Firefox and still won't see the internet.

I ran Adaware to check for spywares and it did came up with a few, deleted the spywares, checked the localhosts txt file for abnormalities, rebooted and still no show.  

Rebooted to SafeMode with networking, nope.

I can't even access 192.168.0.1 to access the Router's configuration menu.

5 out of 8 of the computers in the network is identical to the box that it came with.  All running Windows 2000 Professional with SP4, all the same settings, same ethernet adapter.  The only difference I can think of is this frustrating PC can only connect at 10Mbps and the others are at 100Mbps.

So the problem of this computer is:  DHCP is not working, can only connect using 10MBps, can access the workgroup computers but can't access the internet for the life of it.

My last resort is to back up the important data and run the infamous format C: at DOS prompt.  I don't really want to do that..  Anyone got any more ideas?  

Thanks.  By the way, Awesome community you guys got here!  

This is my first time asking so I only have 145 to give out.  You can take it all!
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drexp2000
Asked:
drexp2000
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1 Solution
 
LucFCommented:
Hi drexp2000,

this looks like a simple corrupted TCP/IP stack or winsock to me, please try the following tool:
http://www.spychecker.com/download/download_winsockxpfix.html (the name might be confusing, but it's for win NT/2k/XP)

Greetings,

LucF
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drexp2000Author Commented:
Thanks for the quick reply LucF, I will go ahead and try that and get back with you.
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LucFCommented:
Ok, good luck.

LucF
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