no internet connection

okay so here goes, not being a pro I will explain as well as possible. I hae a small LAN with 9 computers, all with WIN98SE loaded and IE 6.0 The computer in question has two seperate NIC for a priate link to the accounting dept. That network works fine. The compter works fine on the main LAN, communicates with all others fine, however, will not connect to Internet or Outlook Express mail. Get a DNSSERVER error message then page not found.
Have checked and renewed all settings, IP & Gateway & DNS are all the same as other computers on the network, accept the last two in IP address of course. Today I uninstalled and replaced the NIC with a new one, with no change. I have reloaded WIN98 and 6.1 service pack. I have tried to load Mozilla as a test replacement and it won't connect either. Oh, we are on a 16 port hub with a Web Ramp router and a DSL connection. We have been on this network for 3 years with no problem. Okay, so, I am lost.
The only difference from the other settings on the network is in winipcfg the "Enable IP Routing" is checked, it isn't on any of the others.Keep in mind this computer is the one with two NIC and the secondary one has an assigned IP address, but has neer been aproblem before. Help, Help. With any responses, please speak in lay terms so I can understand. TIA

 

Will the internet work if you took one of the NIC cards out and let the remaining one get a DHCP assigned IP and DNS?

 

1st try taking the DNS and GATEWAY settings out of the card that has the private connection to accounting. and reboot.

I think that whats happening is that the pc is detecting the card that is connected to the private network first when it boots up and trys to use it to get to the gateway... and the gateway (the router to get out to the internet ) is not on that network.

if that doesn't work change the last 2 of the ip address to something else that is not being used like .84 or whatever but not over .254. to make sure another pc doesnt have the same IP by mistake, and see if that works..

Make sure your network mask is the same like 255.255.255.0 or whatever your other pc's are set to.

pull the plug on your hub for a minute and then plug it back in.

 

thanks, I will try both replys and see what happens. Let you know.