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Connection problems after changes

Discussion in 'Networking Issues' started by GertE, Sep 13, 2006.

  1. GertE

    GertE LI Guru Member

    Hi all.

    Two days ago I decided to change the router's (WRT54GL) channel from 6 to 11, after noticing that my neighbor was using channel 6 as well, and has a very strong signal. Now I'm starting to think that I should've left it alone...

    I couldn't remember the password for the router, so I had to reset it and do the whole setup again. I thought this was going to be a ten minute process, but it turned out much more difficult!

    The two desktops are now no longer connecting to the internet, with WEP enabled and automatic IP detection. I've gone over the settings a thousand times, and they seem to be OK, but neither one is able to acquire an IP address. Without password and manually entering the IP things work fine. If I enter the router's IP ( then I can get connected to the router, but still don't get internet traffic. My old laptop on the other hand, which I put a new wireless card in three days ago, still works fine, after changing the password and channel.

    I've tried to compare the laptop's settings with the desktops' setting; but that didn't help much. They use a different operating system, have different setup utilities, etc.

    Surely with all my experimenting I messed up something on the XP desktops. But what?

    Can anyone help? Step by step troubleshooting would be nice, if anyone has the time for that. What to uninstall, delete (permanently, so XP doesn't just put it back!), etc. to start from scratch...

    Thanks in advance,

  2. GertE

    GertE LI Guru Member

    Still no replies here? Is there really nobody who could help me?


  3. HennieM

    HennieM Network Guru Member

    Some Suggestions:

    Check your DHCP server to assign the router's internal IP as the gateway.

    If the desktops are wired, a "ipconfig -release", followed by "ipconfig -renew" should do it (assuming XP).

    If wireless, go into the properties of the wireless adapters, under "Wireless Networks", and remove any nets defined there. Reboot, or maybe just disable/enable the adapter, and XP should prompt you for the WEP or WPA or whatever passphrase.

    Also make sure under the adapter's TCP/IP settings, that it's set to get an IP address, gateway, DNS, etc. via DHCP.
  4. GertE

    GertE LI Guru Member

    Thank you very much for your suggestions; I will certainly try them.

    I forgot to say that I managed to save one desktop, simply by doing a system restore. This after 5 days of messing with it...

    The second desktop has been running on wires since; but I'll give it another try tonight.

    Thanks again,

  5. s0121

    s0121 Guest

    Crazy thought... have you tried to place tinfoil inline with neighbors signal- and stop his STRONG Signal... many time unless you make specific other systems simply try to use the strongest signal...strange his signal would be stronger but...

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