| Help! Computer can’t connect to home network, wrong IP address assigned?

Help! Computer can’t connect to home network, wrong IP address assigned?

mrtnwjrx asked:


Thanks for trying to help.. this is the problem;

I’ve got 2 computers; both XP machines running into a D-Link router using ethernet. One machine works fine, but the other can’t connect to the internet nor the local network.

(The ethernet card and cable both have been checked and work fine).

The IP address assigned to the faulty computer has completely the wrong range and subnet (instead of being 192.168.1.xxx it is 169.xxx.xxx.xxx) when automatically assigned. I think that solving this will solve the connection problems. The problem is not solved however when I uncheck “automatically detect settings” and change to a static local IP address of the right form in the TCP/IP settings in the local area connection.

I also can’t connect to the web interface of the D-Link router, the other (working) computer does this fine when i type 192.168.1.1 in my browser.

Any suggestions how to solve this?

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Comments

One Response to “Help! Computer can’t connect to home network, wrong IP address assigned?”

  1. russell.ault on March 27th, 2009 9:59 am

    Addresses in the 169.254.0.0/16 are reserved for computers that can’t acquire an IP address. The first thing I’d do would be to check out the computer and cable by trying to configure the interface manually. Uncheck the “automatically detect settings” and fill in something like 192.168.1.105 for the IP address, 255.255.255.0 for the subnet mask, and 192.168.1.1 for the primary DNS Server & for the Gateway. If these are set up this way and you still have no network connection, it could be you’re using a bad cable or your networking hardware is damaged. Also, make sure you’re using the right IP Address. I buy almost exclusively D-Link equipment and in my experience their routers usually issue 192.168.0.x numbers, not 192.168.1.x numbers, so that might be part of your problem with manual configuration as well. Either way, if you can get a proper connection have having reset your IP address, Subnet Mask, DNS address, and Gateway, the next step would be to see if you can force your computer into acquiring an IP Address etc. properly. Set your computer to acquire all its information automatically again, and then go Start -> Run… and type in cmd, and hit enter. This will bring up a command prompt, type in ipconfig /release and then hit enter. When the prompt comes back, type in ipconfig /renew and then hit enter. If it comes back to a prompt with a successful message, you’re good to go. If not, you may have some sort of faulty DHCP server. You can try doing a hard reset of the router, or you can just live with having to manually assign IP Address.