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DNS error-server cannot be found

  • 06-09-2010 11:38pm
    #1
    baldbear
    Registered Users, Registered Users 2 Posts: 5,592 ✭✭✭


    My mothers laptop keeps getting this annoying message with the result web pages won't load or if they do the internet is slow.

    My own laptop doesn't get this message and the net speed is grand.
    I'v googled this problem and have tried a dns flush from the command button.

    It's a Toshiba laptop, windows 7 i don't know if that info. is relevant?
    I'm not very techy and need help. I'm tearing what little hair i have out!

    Any advice is welcome, Thanks.


Comments

  • #2
    lmimmfn
    Registered Users, Registered Users 2 Posts: 3,553 ✭✭✭lmimmfn


    try using open DNS, log into your router and for the DNS settings use:

    208.67.222.222
    and
    208.67.220.220

    Ignoring idiots who comment "far right" because they don't even know what it means



  • #3
    bhickey
    Registered Users, Registered Users 2 Posts: 1,340 ✭✭✭bhickey


    baldbear wrote: »
    My mothers laptop keeps getting this annoying message with the result web pages won't load or if they do the internet is slow.

    It's odd that sometimes it works and sometimes doesn't, especially when another conputer on the same network isn't having any problems.

    What provider is your broadband with?

    What make/model of router do you have?

    Are you connecting via wireless or ethernet cable?

    Can you post the IP settings from your mothers laptop? To do this, open the Start Menu. In the Start Menu search box area type 'cmd' and press <Enter>. This will bring up a black screen with with a flashing cursor. Then type 'ipconfig /all' without the quotation marks and press <Enter>. Post the results.


  • #4
    baldbear
    Registered Users, Registered Users 2 Posts: 5,592 ✭✭✭baldbear


    Microsoft Windows [Version 6.1.7600]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.
    C:\Users\currys>ipconfig/all
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : Angelas-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 . . . . . . . . . . . : Realtek RTL8191SE Wireless LAN 802.11n PC
    I-E NIC
    Physical Address. . . . . . . . . : 70-1A-04-8D-2C-71
    DHCP Enabled. . . . . . . . . . . : Yes

    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::7891:4440:b95a:c28%14(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.34(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : 07 September 2010 12:01:32
    Lease Expires . . . . . . . . . . : 10 September 2010 13:01:48
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 342891012
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-B3-FC-A2-00-26-22-F4-06-9B
    DNS Servers . . . . . . . . . . . : 208.67.222.222
    208.67.220.220
    NetBIOS over Tcpip. . . . . . . . : Enabled
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
    Physical Address. . . . . . . . . : 00-26-22-F4-06-9B
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Tunnel adapter Local Area Connection* 9:
    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
    IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:79fd:4ae:91ab:a294:6e2d(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::4ae:91ab:a294:6e2d%20(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled
    Tunnel adapter isatap.{FECB41A2-57CE-4412-8137-701E83262D6E}:
    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

    Now i havn't a clue what all that means. But the DNS error doesn't seem to happening now, fingers crossedl. Changing my DNS settings seems to have made a huge improvement but the net is kind of hanging abit. HMM!

    With Perlico(all internet providers are cowboys in Ireland!) Wireless, Zyxel router.
    Thanks for the help!


  • #5
    bhickey
    Registered Users, Registered Users 2 Posts: 1,340 ✭✭✭bhickey


    baldbear wrote: »
    .... the DNS error doesn't seem to happening now, fingers crossedl. Changing my DNS settings seems to have made a huge improvement but the net is kind of hanging abit. HMM!

    So you changed the DNS server settings on the router then (as opposed to on the laptop)? I always use the OpenDNS servers myself but am curious as to how the change would have fixed this particular problem given that only 1 computer was suffering. Anyway it's working - that'll do for now ;)

    The general slowness may be unrelated to the DNS issue.


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