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DNS problem on laptops and computer

Discussion in 'Networking' started by swong, Nov 28, 2011.

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  1. swong

    swong Thread Starter

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    Hi, I'm new to this site and I don't really understand the terms that I see on forums....so please talk to me in a very basic way.

    So, one day the internet wasn't working on my computer which is a Microsoft XP. I turned off the modem then router and unplugged and then plugged it back and turned on the modem and router. Still didn't work. The little icon next to the time kept showing the computer trying to connect to the internet. When I opened a browser, it mentioned something about isp. I tried doing this winsock fix program but that didn't work either. I opened cmd and entered netsh winsock reset catalog but it required me to do it as an administrator and I wasn't able to do that.

    Then I tried to use my laptops, but both of them had a dns problem. For one of my laptops (Microsoft XP), after entering netsh winsock reset cataog, i was able to connect wirelessly. Then the next day it stopped working, so I used the winsock fix program and it worked. But the next day it stopped working again. The only thing that does work on the laptop is when I plug in the cable that is connected with the wireless router on the laptops.

    Please help meeeeeeeee! I can't share the internet with 2 other people!
     
  2. valis

    valis Moderator

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    hi, and welcome to TSG. :)

    I'm sure that someone with a bunch more networking knowledge will be around shortly, but in the meantime, please try the below:

    Courtesy of JohnWill

     
  3. swong

    swong Thread Starter

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    This is for my Windows 7 laptop:
    When I used my school's wireless internet it worked fine.
    Windows IP Configuration

    Host Name . . . . . . . . . . . . : ASUS-sonia
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR8152/8158 PCI-E Fast Ethernet C
    ontroller (NDIS 6.20)
    Physical Address. . . . . . . . . : F4-6D-04-86-76-5D
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hunter.cuny.edu
    Description . . . . . . . . . . . : Atheros AR9285 Wireless Network Adapter
    Physical Address. . . . . . . . . : E0-B9-A5-17-C3-35
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter 6TO4 Adapter:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\Sonia>ping 74.125.45.100

    Pinging 74.125.45.100 with 32 bytes of data:
    PING: transmit failed. General failure.
    PING: transmit failed. General failure.
    PING: transmit failed. General failure.
    PING: transmit failed. General failure.

    Ping statistics for 74.125.45.100:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

    C:\Users\Sonia>ping yahoo.com
    Ping request could not find host yahoo.com. Please check the name and try again.
     
  4. swong

    swong Thread Starter

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    I'm not really sure about where the other things that need to be pinged are...
     
  5. valis

    valis Moderator

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    do you normally connect wired, or wirelessly?
     
  6. swong

    swong Thread Starter

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    i normally connect wirelessly. but right now i connect wired on the windows xp laptop. right now im using the windows 7 laptop wirelessly at school.
     
  7. TerryNet

    TerryNet Moderator

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    First Name:
    Terry
    Disable encryption on your router and try to connect the computers. If successful you can probably re-enable encryption and reconnect.
     
  8. swong

    swong Thread Starter

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    Sorry but...how do you do that?
     
  9. swong

    swong Thread Starter

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    I tried to find some instructions on disabling the router encryption, but I don't understand it...
    I don't know how but now my windows 7 laptop can connect wirelessly. The computer and the windows XP laptop still has problems.
    The windows XP one says excellent connection. but it still has the dns problem.
     
  10. TerryNet

    TerryNet Moderator

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    Login to the router, preferably with an ethernet connection, navigate to the wireless section, set the encryption (or security) mode to 'none' or 'off' or similar. Consult the router user manual, on CD or the manufacturer's web site, if necessary for details.
     
  11. swong

    swong Thread Starter

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    I'm not sure what the username and password is.
    My router is Linksys WRT54GS V 7.2
    I already tried username admin and password admin. Do you think I can get this information from Linksys Support?
     
  12. swong

    swong Thread Starter

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    Never mind...I'm no longer eligible for chat support. I don't think my username and password is it's default settings. Should I reset the router back to factory settings?
    Also, even though I can connect wirelessly on my Windows 7 laptop, it frequently has the problem where internet is connected, but there is no internet access. The internet works whenever I press the reset button.
     
  13. swong

    swong Thread Starter

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    I didn't know what the password was for the router, so I reset it back to default settings. Then i tried to connect to 192.168.1.1, but it doesn't work. It can only connect to the old ip address, where the default username and password doesn't work.
     
  14. TerryNet

    TerryNet Moderator

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    If a reset to factory default settings resets the login/password correctly but does not reset the LAN address then I think that the router is defective. I'd try the reset to factory defaults again.
     
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