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Windows 7: Default Gateway Not Available and/or DNS Server Not Responding


09 Mar 2013   #1

Windows 7 Ultimate 32bit SP1
 
 
Default Gateway Not Available and/or DNS Server Not Responding

Sometimes I have internet connection for a few seconds, if I'm lucky maybe three minutes. I can get two different messages when I run the Windows Troubleshooting option: "DNS server isn't responding" or "The default gateway is not available." This has been going on about a week. I have not made any changes to my laptop, not even a Windows update, or a driver update, or anything like that.

I have a Toshiba Satellite L655 laptop. I'm running Windows 7 Ultimate 64-bit. I live in a rural area that does not have home telephone or internet lines, so I access the internet using a 3G data card. There is only one small spot in my house that receives a signal so I have a Zoom Travel Router that I plug the data card into and then use my computer in a different room in the house. This setup has been working great for almost two years.

Below is the coding in the ipconfig file. It's pretty short. The default gateway is the ip address for the Zoom Router as provided in the User Manual. I talked to my ISP provider and they said they could only help me if I plugged the data card directly into the computer. They could not or would not help me if I used a Wifi router.

If you tell me I need to make changes to the ipconfig file, then you will have to tell me how to do that. I'm not afraid to make changes, I'm just not techie enough that I know how to do it.

Any help you can give me will be greatly appreciated. I hate being without the internet.


********************
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\windows\system32>ipconfig
Windows IP Configuration
Ethernet adapter Local Area Connection* 16:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::431:d2db:3313:4cd4%11
IPv4 Address. . . . . . . . . . . : 192.168.1.100
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Tunnel adapter Reusable ISATAP Interface {841A652A-0435-4FA5-8695-D63786999C1A}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Connection-specific DNS Suffix . :
IPv6 Address. . . . . . . . . . . : 2001:0:9d38:953c:1061:4b1c:3640:3cf5
Link-local IPv6 Address . . . . . : fe80::1061:4b1c:3640:3cf5%18
Default Gateway . . . . . . . . . : ::
C:\windows\system32>
*****************


My System SpecsSystem Spec
.

09 Mar 2013   #2

W7 Pro SP1 64bit
 
 

I doubt that I know enough to help you, but maybe I can help gather info so that others can help you.

Please run this code from the command prompt window
:
Code:
ipconfig/all > %UserProfile%\Desktop\IP.txt
edit: you can copy the info in the code box above and...
...paste it into a command prompt window as shown in the video below.

That should create a text file on your desktop.

Please attach that text file to your next post.


These tutorials might help you:

Command Prompt

Screenshots and Files - Upload and Post in Seven Forums

edit:
My System SpecsSystem Spec
09 Mar 2013   #3

Windows 7 Ultimate 32bit SP1
 
 

I tried to attach a file to my first post but couldn't stay connected long enough for the file to attach. I'm trying it again with this command. Thanks for sending it.

Sorry but it won't stay connected long enough to attach a file. So I copied the IP.Txt file below. Hope this helps.
************

Windows IP Configuration
Host Name . . . . . . . . . . . . : Carole64-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection* 16:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Anchorfree HSS VPN Adapter
Physical Address. . . . . . . . . : 00-FF-5D-32-C5-BF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8188CE Wireless LAN 802.11n PCI-E NIC
Physical Address. . . . . . . . . : 68-A3-C4-D9-9A-F1
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::431:d2db:3313:4cd4%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.100(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, March 09, 2013 6:26:34 PM
Lease Expires . . . . . . . . . . : Sunday, March 10, 2013 6:26:34 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 308847556
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-EC-3E-02-E8-9A-8F-3D-B9-E2
DNS Servers . . . . . . . . . . . : 192.168.1.1
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 Controller (NDIS 6.20)
Physical Address. . . . . . . . . : E8-9A-8F-3D-B9-E2
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{5D32C5BF-1CD6-45D4-8B01-1B94AF2C7366}:
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
Tunnel adapter isatap.{6A5F7502-7AB9-4342-9DB8-6B7C7C2341AA}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
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 Reusable ISATAP Interface {4545B50D-15F3-487E-83FC-06E08A24A735}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
******************
My System SpecsSystem Spec
.


09 Mar 2013   #4

W7 Pro SP1 64bit
 
 

Just as a test, what happens if you plug your 3G data card directly into your computer - do you get disconnected?
My System SpecsSystem Spec
09 Mar 2013   #5

Windows 7 Ultimate 32bit SP1
 
 

It does connect easier and stays connected longer but still not like it did a month ago. The problem with the signal location is the reason that I don't just use the 3G data card in the laptop. It's difficult to answer emails when you're five feet up on a ladder. LOL. Would router problems cause the error messages I'm getting? I've had routers that have lasted 10 years so I would expect this one to be good after only 14 months.
My System SpecsSystem Spec
10 Mar 2013   #6

W7 Pro SP1 64bit
 
 

Can you stay connected with the laptop outside? If so, then there is nothing wrong with the laptop or the data card... the signal coming into your home might have changed. That signal might not be as strong now. Other signals might be stronger than now.
My System SpecsSystem Spec
10 Mar 2013   #7

Windows 7 Ultimate 32bit SP1
 
 

Just this minute is the first time I've been able to connect all day. It is dark here now and not safe to be outside after dark, so I'll check that out tomorrow. I know the ISP was putting up some new towers so maybe they have changed where the signal is coming from. Thanks for the suggestion as I'd run out of ideas.
My System SpecsSystem Spec
10 Mar 2013   #8

W7 Pro SP1 64bit
 
 

You are welcome.

If it turns out that there is no longer a place in your home where you can get a decent/consistent 3G signal, then you can ask the ISP if they plan on addressing that. You might even talk them into a refund or reduced rates until they get this fixed for you, That mostly depends on where they claim to offer service.

If they can restore the signal in your home, then you can switch back to your clever use of the travel router. Sadly, all of this might take weeks - hence the need to discuss a refund or a rate reduction.
My System SpecsSystem Spec
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 Default Gateway Not Available and/or DNS Server Not Responding




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