Windows Dns Problem????

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doxman

Thread Starter
Joined
Nov 3, 2007
Messages
5
Hi friends,
I have Windows Vista on a Dell Inspiron 1705 with Dell 1390 Wireless Mini card on the system,,, I can connect to the internet but after a certain period of time ( 30- 45 mins) the web browser becomes unable to open the pages.. IE 7, mozilla firefox, or whatever,, it shows that the page can't be displayed,, some DNS problems or something like that,,, but still the network connection in the system tray shows that there is internet connection. If I dont sign out of my windows messenger before the problem occurs, I still can have conversations with my frends online,, and moreover,, if there is a download on process,, it still goes on downloading file,,, so i'm really confused why i can't open the web page??...
After the problem occurs,, I wait for about 30 mins and then the web pages become availabe again,,, and again the problem occurs after certain time period... Please help me out guyz... I'm really frustrated due to this problem,,,

Thank you so much... please help me
 
Joined
Oct 4, 2007
Messages
141
What firewall software do you have installed?
Are you using a DSL modem? If so, is it set to on-demand or always on?
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,429
Please supply the following info, exact make and models of the equipment please.

Make and model of the broadband modem.
Make and model of the router.
Connection type, wired or wireless.
If wireless, encryption used, (none, WEP, WPA, or WPA2)
Make/model of your computer.
Version and patch level of Windows on all affected machines, i.e. XP-Home (or XP-Pro), SP2, Vista, etc.

Also, please give an exact description of your problem symptoms, including the exact text of any error messages.




On any problem computer, I'd also like to see this:

Start, Run, CMD to open a command prompt:

Type the following command:

IPCONFIG /ALL

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

If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
 

doxman

Thread Starter
Joined
Nov 3, 2007
Messages
5
Thank you so much for the quick reply,,,
I've got this information for you,,,
Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Passang>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Passang-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Dell Wireless 1390 WLAN Mini-Card
Physical Address. . . . . . . . . : 00-1A-92-3E-05-48
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::49f9:1cba:a827:4d4c%10(Preferred)
IPv4 Address. . . . . . . . . . . : 172.20.100.111(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Lease Obtained. . . . . . . . . . : Saturday, November 03, 2007 9:20:53 PM
Lease Expires . . . . . . . . . . : Sunday, November 04, 2007 9:20:56 PM
Default Gateway . . . . . . . . . : 172.20.100.1
DHCP Server . . . . . . . . . . . : 172.20.100.1
DHCPv6 IAID . . . . . . . . . . . : 184556178
DNS Servers . . . . . . . . . . . : 172.20.100.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controlle
r
Physical Address. . . . . . . . . : 0C-0C-0C-0C-0C-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 6:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : isatap.{74F4BB0C-8BE9-4BCE-B959-C2EDF13F1
73F}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:172.20.100.111%12(Preferred)
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 172.20.100.1
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 7:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : isatap.{4369B535-4CF3-4571-8E37-F09C978A0
A35}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

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. . . . . . . . . . . : 2001:0:4136:e38e:3cd0:b14:53eb:9b90(Prefe
rred)
Link-local IPv6 Address . . . . . : fe80::3cd0:b14:53eb:9b90%9(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Please help me out if somethings wrong,,, thanks,,
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,429
How about all the information about the modem, router, etc. that I asked for?

One thing I notice is you have ICS (Internet Connection Sharing) enabled, hard to believe you want that running. How to disable ICS on Vista
 
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