TechSpot

DSN + DSL problem

By Steforitos
Feb 13, 2013
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  1. Okay, here's the story..
    Last night I was working on a project for school and I had put paper over my laptop screen to trace an image. In the middle of doing that a window pops up. I couldn't read it because of the paper covering the screen and I assumed it was just an update message for one of my smaller programs, so I just clicked ESC without reading the message. That's when the problem started.
    When I had finished tracing I tried to go online but I kept getting an error message saying:
    The server at www.google.com can't be found, because the DNS lookup failed. DNS is the web service that translates a website's name to its internet address. This error is most often caused by having no connection to the internet or a misconfigured network. It can also be caused by an unresponsive DNS server or a firewall preventing Google Chrome from accessing the network. (ect) And then at the end - Error 105 (net::ERR_NAME_NOT_RESOLVED): Unable to resolve the server's DNS address

    I then tried accessing the internet on my phone but it couldn't connect either. I looked at my router (Zyxel) and noticed that the DSL light was out. I turned it on an off, played around with the wires, made sure all were connected, reset the router but nothing has worked. I looked at it this morning and the WLAN light is also out so I only have 2 green lights on it now.

    I think I may have found the problem but I'm not 100% sure on how to fix it. I'm writing this on another laptop with my laptop next to it and I'm comparing the ipconfig /all information and I notice that my DNS servers are in a mess.
    Here is the info..

    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Users\Stefan>ipconfig /all

    Windows IP Configuration

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

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Atheros AR9002WB-1NG Wireless Network Ada
    pter
    Physical Address. . . . . . . . . : E0-CA-94-76-2A-2A
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::f19f:c24b:100f:d356%14(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.211.86(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 467716756
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-2C-C6-1E-04-7D-7B-02-19-DF

    DNS Servers . . . . . . . . . . . : 212.30.200.199
    212.30.200.200
    NetBIOS over Tcpip. . . . . . . . : Enabled

    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. . . . . . . . . : 04-7D-7B-02-19-DF
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Ethernet adapter VirtualBox Host-Only Network:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
    Physical Address. . . . . . . . . : 08-00-27-00-80-C0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::157d:b5f9:4430:cec7%19(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.206.199(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 503840807
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-2C-C6-1E-04-7D-7B-02-19-DF

    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter isatap.{6BC32B4C-0F34-46B9-A8A9-8992C2B3B2D2}:

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

    Tunnel adapter Local Area Connection* 9:

    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 isatap.{2BAF5CB2-A3DE-4A23-A33B-C1F768859734}:

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

    Tunnel adapter isatap.{0817A9D1-D551-4D95-B0F4-F4BEDEE453FF}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 12:

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

    I'm pretty sure the DNS servers are not supposed to be fec0:0:0:ffff::.
    Could there be a link to this and the DSL going out? I can't access the Internet at all at home now and I have a tech guy from the phone company coming over on Friday if I haven't solved this before then but I'd rather save myself the money and just fix this on my own. I'm using Windows 7 by the way.

    Thanks in advance :)
     
  2. jobeard

    jobeard TS Ambassador Posts: 9,023   +590

    The RED items are a major impact and cause the BLUE result

    You *MUST* have DHCP enabled to get a valid IPv4 and Gateway
     
  3. St1ckM4n

    St1ckM4n TS Evangelist Posts: 2,920   +627

    To fix the above:

    Start > "View network connections" > Right-click on the 'local area network' > Click 'Internet protocol version 4' > Click 'Properties' > Ensure the boxes are ticket next to 'obtain automatically'.
     

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