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Old 08-10-2006, 09:27 AM   #1 (permalink)
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Default Windows XP LAN Problem

Hi,
I just re-installed windows xp and I can seem to get connected to the internet. I have My computer connected through a router. I have also tried going directly from my cable modem. I have another computer that is running fine off the router (the one I'm using now). When I look at the network settings it says the LAN is enabled but when i compare it to my other machine that one says connected. I can't figure out why I can't get it connected. Any ideas?
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Old 08-10-2006, 09:28 AM   #2 (permalink)
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The first thing to do is disable any firewalls you have installed, including the Windows built in firewall. Let us know what happens after that. We can go deeper if we need to.
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Old 08-10-2006, 09:28 AM   #3 (permalink)
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Tried that. Didn't work
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Old 08-10-2006, 09:28 AM   #4 (permalink)
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Please go into device manager and check to make sure there are no conflicts.

Please report the IP address of the local PC. Please tell me if you can:

Ping the Working PC from the non-Working PC

Ping the Non-Working PC from the working PC
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Old 08-10-2006, 09:28 AM   #5 (permalink)
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Have you tried a different patch cable for the non-working PC? Everything you posted says no connection.
The 169.xxx.xxx.xxx address is ASCII-generated when client is set up for DHCP and no connection is made to the router.
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Old 08-10-2006, 09:28 AM   #6 (permalink)
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No Conflicts.
IP is 169.254.175.21
Ping the Working PC from the non-Working PC - Request timed out

Ping the Non-Working PC from the working PC - Destination host unknow
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Old 08-10-2006, 09:29 AM   #7 (permalink)
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The 169.X.X.X indicates the card is NOT getting an IP address from the router. That means either the:

Card is bad or misconfigured
The cable is bad
The port on the router is bad

You will have to narrow down which one it is. If you need help, let us know.
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Old 08-10-2006, 09:29 AM   #8 (permalink)
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It could also mean the router is not doing DHCP and the PC is set up to use DHCP. If you look at the TCP/IP settings of the working PC connected to the router, you will see if it is set to "Obtain IP address automatically" or it is statically assigned. If it obtains its IP address automatically then that issue can be ruled out. By default the router will do DHCP, but it can be disabled.
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Old 08-10-2006, 09:29 AM   #9 (permalink)
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Doesn't mean anything. If the computer is set to use DHCP and nothing is providing addressing it will fail everytime.

On the computer that is working and attached to the router..... right click My Netowrk Places, click Properties, right click Local area network, click Properties, click Internet Protocol TCP/IP settings and click Properties. For the IP address, which radio button has a dot in it? Obtain Automatically or Use the following...???
At this stage you are simply trying to rule things out.
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Old 08-10-2006, 09:29 AM   #10 (permalink)
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It is very difficult to help someone who does not want to be helped.

Please follow the instructions.

1) Try the PC connected to a known working port on the router. If it fails
2) Try a known working cable on the PC not working. If it fails:
3) Try the cable that originally failed on a known working PC and a known working port on the router. If it fails:
4) The card is defective or misconfigured.

Follow the steps and report back.
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