Wireless computer no ip wrt54g

for the past 5 days my wireless computer has been unable to connect to the internet. My router settings are fine and my wired pc and still connect to the net. But my wireless pc wont pull an ip. Ive done everything that I know to do but I cant get it to work. Some pro help would be great seeing as the wife and kids are not allowed on my uber gaming machine lol.

First of all, give your network a unique SSID. Do not use "linksys". If you are using "linksys" you may be trying to connect to your neighbor's router. Also set "SSID Broadcast" to "enabled". This will help your computer find and lock on to your router's signal.
Poor/No wireless connections are often caused by radio interference from other 2.4 GHz devices. This includes wireless phones, wireless baby monitors, microwave ovens, wireless mice and keyboards, wireless speakers, and your neighbor's wireless network. In rare cases, Bluetooth devices can interfere. Even some 5+ GHz phones also use the 2.4 Ghz band. Unplug these devices, and see if that corrects your problem.
In your router, try a different channel. There are 11 channels in the 2.4 GHz band. Usually channel 1, 6, or 11 works best. Check out your neighbors, and see what channel they are using. Because the channels overlap one another, try to stay at least +5 or -5 channels from your strongest neighbors. For example, if you have a strong neighbor on channel 9, try any channel 1 through 4.
Also, try to locate the router about 4 to 6 feet above the floor, in an open area. Do not locate it behind your monitor or near other computer equipment or speakers. The antenna (if external) should be vertical.
Also, in the computer, go to your wireless software, and go to "Preferred Networks" (sometimes called "Profiles" ). There are probably a few networks listed. Delete any network named "linksys". Also delete any network that you do not recognize, or that you no longer use. If your current network is not listed, enter its info (SSID, encryption (if any), and key (if any) ). Then select your current network and make it your default network, and set it to automatic login. You may need to go to "settings" to do this, or you may need to right click on your network and select "Properties" or "settings".
If the above does not fix your problem, download and install the latest driver for your wireless card.

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    -Sloth

    Hello -sloth !
    Very easy understanding guide !
    I have made all what you suggested.
    But now I cannot add the camera in the monitor > setup page.
    I can see the camera in the camera list WVC200.
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    Is the port still 80 - since the Channel is set to  6
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    The camera displays the same ip .......
    The router setup page : Local IP 192.168.15.1
        IP Address Range :  192.168.15. 100 to 149 
    I have made a system restore, and installed the camera sw again.
    If I unplug the lan and turn to wireless the camera LCD display: 192.168.1.115 DHCP
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