Question about Linksys Wireless-G WRT54G Router

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DNS problem? I have my router hooked up to my desk top and wanted to use the wireless feature on my laptop. My laptop says that it is connected yet there is still no internet connection. I ran a diagnosis and it said that there was a DNS error (problem with the domain name). How do I correct this, or is this even really the problem? Thank you.

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  • Gary Luis
    Gary Luis May 11, 2010

    Are you sure your connecting to your wireless device and not a neighbors?


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I fixed this issue with my router maybe it will help you.. i have a wrt54gs router but usually similar issues occur between these two models.. first log on to your router.. through your internet browser by typing or then type your routers user name and password.. usuall this is givin to you on the back of the router or with the box it came with.. the default username and password is usually "Admin" sometimes the password is "password" or "password1" once you have logged on to the router you should see the main setup screen look around and try to locate the part that says "ip-address" usually by default this is set to on some networks though this is not correct because there is now a conflict between the ip-address and the dns server... it simple to fix just change the ip-address to then save your settings and your done... you may also have to set a dns-ip as well for this just input and then save wait for the setting to take effect and disconnect and reconnect this should solve your error in most cases..

Posted on Oct 27, 2011

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Try connecting your laptop hardwired with your Router, check if you are able to go online. if yes you dont have a dns error, if still no , try this out, click start run and type in the words with in the quotes "netsh int ip reset resetlog.txt"and click ok..a black window will pop up and close then restart your pc ..try connecting it again ..all the best

Posted on Jul 27, 2008

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Click on Start -> Run -> Type CMD and hit enter.
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I assume you have an internet connection based on a phone line or cable with a modem attached to your router to your desktop -- when no computer can access the internet. When your desktop attaches directly to the modem without the router it works.

The following are the high probability errors there are many more.

This is indicative that the router may not configured correctly on the WAN side to connect to the ISP's modem. The requirements for this are generally capable of being retrieved from your ISP's website. Another possibility is that the DNS addresses wre not loaded into the routers lan side config or DHCP services may be disabled.

The same problems can be blocking wireless access although there can be others, too.

If you can provide your ISP's name or even better their a link to their support site in a comment that could start the process by which I can find those requirements for you. If you are not confortable configuring a router then I will also need confirmation of the model number of the D-Link Router, so I can assure we have the same version of the manual to reference configuration steps for you to execute.

I am going to give you a couple of other things to try, I'm not sure of they will work but if they do we will be closer to an answer.

Do these things when the desktop is hooked to the modem and when it is hooked to the router and from the laptop after you have attempted to connect to the router.

Open a command or dos prompt window

Start then All Programs then Accessories the Dos/Command Prompt

A new window will open in that window type the following command and press enter --

ipconfig /all

Copy down the following information if the command works
IP Address -- probably 192.168.0.? if attached to the router
Subnet Mask --- probably if attached to the router
Default Gateway -- probably 192.168.0.? if attached to the router
DNS Address(es) -- may be one or more

After than for each default gateway enter the following command replacing {default gateway} with the default gateways from the returned by the ipconfig command above (ignore addresses) and press enter

ping (default gateway}

This command will respond 4 times either with a timeout or a line if data with elapsed time in ms (milliseconds). If it timesout all 4 times it fails, if it gets elapsed times all 4 times it worked, if it gets a mixture we may have a flaky cable or something but it is working but not well.

Now the important information is as follows

The DNS address from when the desktop was hooked to the modem should match the DNS addresses for both computers when connected to the router. I expect the desktop to successfully connect to the router on one adapter (in case there is more than one) For that adapter where the ping works
the subnet mask and the default gateway should match the ones received from the wireless adapter on the laptop. The beginning of the IP address for both the desktop and laptop should match the gateway address normally for the first three of the four numbers (only when the subnet mask is

Please respond to this message with a comment indicating what you could do and what you found out so I can provide some next steps to complete this process. If you do not understand the address matching above send me the outputs of the ipconfig commands and tell me which gateway pings worked and I will make the judgements.

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