Browser DNS Problem

Posted on 2011-05-13
Last Modified: 2012-05-11
I have a Windows 7 machine that can't access the internet through a browser (IE or Firefox) and other applications (Thunderbird, AVG Update) can't access the internet. However, I can open a command prompt and ping
I have flushed the DNS and registered the DNS and it has not helped. Browser error messages refer to DNS. I can't get to the gateway in the browser either (
I can access the computer remotely.
Can somebody give me other things to check. The user can't tell me what they did to break it. It was working a week ago and now it isn't.
There is no third party firewall, just the Windows firewall.
Question by:craigceg
    LVL 19

    Expert Comment

    by:Miguel Angel Perez Muñoz
    I think that is not a DNS problem. If you can resolve using command line (ping in this case) DNS are correctly configurated and running fine.

    Has configured proxy or whatever? try to reset router if is only computer on the network.

    Author Comment

    There does not appear to be a proxy and there are 3 other computers on same router and none of them have a problem getting to the internet.
    LVL 11

    Expert Comment


    First of all check the TCP/IP settings on your computers.

    Then check with ping command. Are you able to access the router? Whatever your router IP address?

    Tushar Kaskhedikar

    Author Comment

    Tushar - TCP/IP settings are set to "obtain automatically".  As stated in first post, I can ping outside local network - - from command line. I can ping default gateway - from command line, but when I try to go to gateway - - in any browser, it returns error saying can't find address or DNS error. I can't access router from the browser.
    LVL 3

    Expert Comment

    Try doing a hard reset on your router.  There should be a little pinhole where you can stick a paperclip in--hold it in for roughly 8 seconds until the lights all light up and then let the router reconfigure itself back to the default settings.  This may require you to input certain user information to gain access to your ISP but it sounds to me like there might be some settings messed up on your router.

    Author Comment

    Midnight - I will give that a try, but the fact that two other computers attached to the same router can access the internet through their browsers without a problem and the fact the problem computer can ping outside locations and Windows updates work seems to indicate that the router is not the problem. But I will give it a try and report back.

    Accepted Solution

    Additonal issues necessitated a reinstallation of Windows in the interests of saving time. So this is a non issue at this point. I am going to close the question.

    Author Closing Comment

    Problem was solved by reinstalling Windows.

    Write Comment

    Please enter a first name

    Please enter a last name

    We will never share this with anyone.

    Featured Post

    Top 6 Sources for Identifying Threat Actor TTPs

    Understanding your enemy is essential. These six sources will help you identify the most popular threat actor tactics, techniques, and procedures (TTPs).

    I wrote this article to explain some important DNS concepts that should be known to avoid some typical configuration errors I often see in forums. I assume that what is described here is the typical behavior of Microsoft DNS client. I don't know …
    #Citrix #Internet Explorer #Enterprise Mode #IE 11 #IE 8
    Shows how to create a shortcut to site-search Experts Exchange using Google in the Chrome browser. This eliminates the need to type out whenever you want to search the site. Launch the Search Engine Menu: In chrome, via you…
    How to create a custom search shortcut to site-search Experts Exchange using Google in the Firefox browser. This eliminates the need to type out whenever you want to search the site. Launch your Bookmark Menu: Press 'Ctrl +…

    779 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    12 Experts available now in Live!

    Get 1:1 Help Now