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Problem with Domain Name Server (DNS) on laptop!

Discussion in 'Networking' started by distiller-brody, Apr 14, 2010.

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  1. distiller-brody

    distiller-brody Thread Starter

    Joined:
    Apr 14, 2010
    Messages:
    2
    Hey guys!

    Really sorry if this is in the wrong category or something, but I'm new to this site and was a bit confused. I have an Acer Aspire Laptop 5315 with 802.11b/g WLAN on it. Been connecting wirelessly to my Netgear router perfectly for the past year. Working completely fine as of yesterday. Turned it on and I'm only getting local internet on it which isn't good. I clicked the icon for diagnose and repair, and the dreaded following came up:

    "There may be a problem with your Domain Name Server (DNS) configuration. Windows failed to find the well known host "www.microsoft.com" using DNS. The server may be down."

    I have a desktop PC that is connected via an ethernet cable via the router which is working fine (hence me writing this) so I know it is not the router. I can connect to the router from my laptop.

    I read a few sites on the internet about pinging IP addresses and also changing the settings on the Internet Protocols and also using an OpenDNS for the itnernet, none of these are working.

    I'm a Student Nurse, and I depend on my laptop for completing assignments and also talking to my tutors via Blackboard software, so I feel like I'm lost completely! I can't go on using this pc as it's my mothers and I don't live here, I live on my own.

    ipconfig log is this:

    Microsoft Windows [Version 6.0.6000]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\nico>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : nico-PC
    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 AR5007EG Wireless Network Adapter

    Physical Address. . . . . . . . . : 00-1F-3A-60-67-C8
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::dcb5:ea41:2a37:589c%9(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.4(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : 14 April 2010 12:40:40
    Lease Expires . . . . . . . . . . : 15 April 2010 12:40:40
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 234889018
    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom NetLink (TM) Fast Ethernet
    Physical Address. . . . . . . . . : 00-1B-38-D5-E2-B4
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{46960E7B-3DD9-410E-999C-500A625B0
    FFA}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 7:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{C861970E-9677-47A2-85DF-AD18A77D4
    965}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::5efe:192.168.1.4%13(Preferred)
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 9:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 10:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\nico>

    If you need anything else then just ask! Many thanks, Nicola. x
     
  2. pedroguy

    pedroguy

    Joined:
    Jan 28, 2001
    Messages:
    6,523
    Hi;You appear to have a working wireless connection>
    What happens when you ping yahoo.com ?

    Also,do this.See if it helps.

    Stack repair for XP and Vista.
    Courtesy of Johnwill of the Networking forum.

    TCP/IP stack repair options for use with Windows Vista.

    Start, All Programs\Accessories and right click on Command Prompt, select "Run as Administrator" to open a command prompt.

    In the command prompt window that opens, type type the following commands:

    Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

    Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log

    Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log

    Reboot the machine.
     
  3. distiller-brody

    distiller-brody Thread Starter

    Joined:
    Apr 14, 2010
    Messages:
    2
    Heya,

    Reset those three at the bottom, still wouldnt connect. Had to go out then though to my boyfriend's mothers, and somehow I'm connected to an unsecure network that she has? So I'm guessing it's something to do with my router? Although I accessed the router page (192.168.1.1) through IE, and tried to change the settings on there, even to an OpenDNS, still didn't work. So I've copied my settings here, dont know if it will make a difference but hey ho;

    Microsoft Windows [Version 6.0.6000]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\nico>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : nico-PC
    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 AR5007EG Wireless Network Adapter

    Physical Address. . . . . . . . . : 00-1F-3A-60-67-C8
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::dcb5:ea41:2a37:589c%9(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.36(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : 14 April 2010 18:18:59
    Lease Expires . . . . . . . . . . : 15 April 2010 18:18:58
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 234889018
    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom NetLink (TM) Fast Ethernet
    Physical Address. . . . . . . . . : 00-1B-38-D5-E2-B4
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{46960E7B-3DD9-410E-999C-500A625B0
    FFA}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 7:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{C861970E-9677-47A2-85DF-AD18A77D4
    965}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::5efe:192.168.1.36%13(Preferred)
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 9:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:73ba:1803:4b7:3f57:fedb(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::1803:4b7:3f57:fedb%10(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 10:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : 6TO4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\nico>

    Any suggestions on what I need to do with the router?

    Many thanks again, Nicola. x
     
  4. pedroguy

    pedroguy

    Joined:
    Jan 28, 2001
    Messages:
    6,523
    OK:Again the ipconfig looks good.
    What happens when you ping yahoo.com
    What happens when you ping 192.168.1.1.
    Can you access the router,192.168.1.1,from the ethernet connection
    Have you tried a hardwired connection to the router from the laptop?. If works ,then this limits the possibilities somewhat.
    From your good connection,I would upgrade the router's firmware.
     
  5. schang626

    schang626

    Joined:
    Mar 2, 2010
    Messages:
    447
    powercycle the modem and router
     
  6. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    79,924
    First Name:
    Terry
    If the power cycle (unplug for 30 seconds) is not successful try these commands in a command prompt window. You can post them the same way you are doing the ipconfig /all.

    ping 192.168.1.1

    ping 98.137.149.56

    ping yahoo.com
     
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