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DNS server is just the beginning of my problem!!


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lmonty's Avatar
lmonty lmonty is offline
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25-Sep-2011, 11:46 AM #1
Smile DNS server is just the beginning of my problem!!
We had issues with our internet speed so I called BT they assure me it'll be fixed within 10 days, someone comes out today to work on the line and then the trouble really begins.
Previous to this 'help' we would have 2 laptops and any smartphones able to use our wireless broadband. As soon as the man "fixes" the line, every device apart from my HP laptop can connect to the internet.
I'm writing this on my dad's Samsung which still works fine.
After running the diagnostics I am told that dns server is not responding, so I search the internet for solutions and try every thing from switching off the router to getting involved with the command prompt section of technology which seems far beyond my capabilities, it just feels wrong to be messing about in there with no clue what i'm doing.
I've exhausted my computer knowledge and am hoping someone out there has a solution for me!!
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dlsayremn   (David) dlsayremn is offline
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25-Sep-2011, 03:54 PM #2
Start with TCP/IP stack repair options for use with Vista or Windows 7. It won't hurt and might solve the problem

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 the following commands (Bold), each followed by the Enter key:

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.


From a JohnWill post.
Try these simple tests.

Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

In the command prompt window that opens, type the following commands one at a time, followed by the Enter key:

NOTE: For the items below in red surrounded with < >, see comments below for the actual information content, they are value substitutions from the previous IPCONFIG command output! Do NOT type <computer_IP_address> into the command, that won't work. Also, the < and > in the text is to identify the parameters, they are also NOT used in the actual commands.

Do NOT include the <> either, they're just to identify the values for substitution.

IPCONFIG /ALL

PING <computer_IP_address>

PING <default_gateway_address>

PING <dns_servers>

PING 74.125.45.100

PING yahoo.com

Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
Paste the results in a message here.

<computer_IP_address> - The IP Address of your computer, obtained from the IPCONFIG command above. (For Vista/Win7, the IPv4 Address)

<default_gateway_address> - The IP address of the Default Gateway, obtained from the IPCONFIG command above.

<dns_servers> - The IP address of the first (or only) address for DNS Servers, obtained from the IPCONFIG command above.

If you are on a machine with no network connection, use Notepad or WordPad to save as a text document, then use a floppy, USB disk, or a CD-RW disk with a working computer to transfer the text file with the information to allow pasting it here.
lmonty's Avatar
lmonty lmonty is offline
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25-Sep-2011, 04:52 PM #3
thanks for your help, hopefully this is what you are looking for


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

C:\Users\Louise>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Louise-Laptop
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : home

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 0A-60-76-52-E6-DD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . : home
Description . . . . . . . . . . . : Atheros AR9285 802.11b/g/n WiFi Adapter
Physical Address. . . . . . . . . : 0C-60-76-52-E6-DD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::1506:1c26:454f:cec0%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 25 September 2011 21:38:06
Lease Expires . . . . . . . . . . : 26 September 2011 21:38:06
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 301999710
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-4E-35-4B-00-26-9E-72-69-E2

DNS Servers . . . . . . . . . . . : 10.20.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8102E/RTL8103E Family PCI-E Fa
st Ethernet NIC (NDIS 6.20)
Physical Address. . . . . . . . . : 00-26-9E-72-69-E2
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 9:

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

Tunnel adapter isatap.{16524A3E-407C-424D-A981-DDC05B85ADEA}:

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 Reusable ISATAP Interface {7CD17A6B-956C-4750-ADB6-0E5EABA63C1D}:


Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : home
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* 15:

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.{0985480C-B9DE-442A-B6E8-415D3C5ED732}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

C:\Users\Louise>ping

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name

Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet (IPv4-only).
-i TTL Time To Live.
-v TOS Type Of Service (IPv4-only. This setting has been deprecated
and has no effect on the type of service field in the IP Head
er).
-r count Record route for count hops (IPv4-only).
-s count Timestamp for count hops (IPv4-only).
-j host-list Loose source route along host-list (IPv4-only).
-k host-list Strict source route along host-list (IPv4-only).
-w timeout Timeout in milliseconds to wait for each reply.
-R Use routing header to test reverse route also (IPv6-only).
-S srcaddr Source address to use.
-4 Force using IPv4.
-6 Force using IPv6.


C:\Users\Louise>ping

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name

Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet (IPv4-only).
-i TTL Time To Live.
-v TOS Type Of Service (IPv4-only. This setting has been deprecated
and has no effect on the type of service field in the IP Head
er).
-r count Record route for count hops (IPv4-only).
-s count Timestamp for count hops (IPv4-only).
-j host-list Loose source route along host-list (IPv4-only).
-k host-list Strict source route along host-list (IPv4-only).
-w timeout Timeout in milliseconds to wait for each reply.
-R Use routing header to test reverse route also (IPv6-only).
-S srcaddr Source address to use.
-4 Force using IPv4.
-6 Force using IPv6.


C:\Users\Louise>ping 74.125.45.100

Pinging 74.125.45.100 with 32 bytes of data:
Reply from 74.125.45.100: bytes=32 time=166ms TTL=49
Reply from 74.125.45.100: bytes=32 time=165ms TTL=49
Reply from 74.125.45.100: bytes=32 time=170ms TTL=49
Reply from 74.125.45.100: bytes=32 time=167ms TTL=49

Ping statistics for 74.125.45.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 165ms, Maximum = 170ms, Average = 167ms

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


C:\Users\Louise>
dlsayremn's Avatar
dlsayremn   (David) dlsayremn is offline
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25-Sep-2011, 06:48 PM #4
Not sure what that DNS Server IP number is. Was expecting the same IP as your Gateway and DHCP IP.

Check to be sure that "Obtain DNS server address automatically" is checked in TCP/IP Properties.

Network and Sharing Center
Click "View status" to the right of Wireless network Connection.
Bottom of the popup click Properties.
General tab, double click on Internet Protocol Version 4 (TCP/IP) to pull up TCP/IP Properties.
If the auto DNS is not selected, check it.
Click OK, click OK, then click close. Reboot the computer.

Redo ipconfig /all and check to see if the DNS Servers IP listed has changed to 192.168.1.1.


If that doesn't work, try manually specifying the DNS Server address(es).
Go back into the IPv4 Properties and check " Use the follwing DNS server addresses
Enter 192.168.1.1 for the primary address.
The secondary address, if used, would be the first DNS server listed on the router's status page.
Click OK, click OK click Close.
Reboot the computer.
lmonty's Avatar
lmonty lmonty is offline
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26-Sep-2011, 04:25 PM #5
Smile Job done!
I'm writing this online from my own laptop!!

Thank you so much for your clear, and most importantly, easy to follow advice!!
dlsayremn's Avatar
dlsayremn   (David) dlsayremn is offline
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Location: Louisville,KY
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26-Sep-2011, 05:25 PM #6
You are welcome. Just glad to be able to help.

If everything is working, would you please click on the Solved button at the top left corner of your first post. This marks the thread so others can find solutions.
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