Unable to connect to the main DNS server when you try to access the internet

Computer has worked fine for the year last until 2 weeks ago and now unable to connect to the internet.

Windows Vista on broadband and services connected directly to the modem by ethernet.  Provider Internet has run tests and confirmed modem is fine and it's like my laptop runs very well on it.

Re-initialization of the modem, internet works and you can type in a few places and it seems OK, but you can't do anything on a site, it is, enter the details and even if you try and enter anything, you can usually view 2 sites and then it goes again.  However, the network icon shows that on and connected to the internet.

The diagnosis, it is said that he cannot access the primary DNS server.

Do you have any idea how I can fix this or should I just completely re - install windows from the original disk set?

A few things you can try...  [This will be the Windows to try to automatically fix your connection]

Open 'Network and sharing Center' (you can search for it in the Vista Start menu)

Under tasks, click on "diagnose and repair".

If this fails, you can try...  [This will use the NETSHell utility to RESET your network interface (removes all static configurations and sets DHCP)]

Open a command prompt (you can also search for it on the start menu in Vista, if you have this OPTION enabled, you need to start as administrator)
The type of command line: NETSH INTERFACE IP RESET. JOURNAL

If you still have problems, try to post your IPCONFIG/all, file HOSTS and ROUTE PRINT on this forum.

How to:

IPCONFIG/ALL
Open the command prompt and type: IPCONFIG/all
To save the output to a file simply type at the command prompt: IPCONFIG/all > filename.txt

Your HOSTS file is located in the following path (the HOSTS file does not have an extension, it is simply named "HOSTS"):
%windir%\system32\drivers\etc\HOSTS
or
C:\Windows\System32\Drivers\ETC\HOSTS

ROUTE PRINT
Open the command prompt and type: ROUTE PRINT
To save the output to a file simply type at the command prompt: ROUTE PRINT > filename.txt

PS: If it becomes really hairy, you can provide NETSH DUMP (this provides virtually all network configurations)... You certainly shouldn't need to re - install Windows.  There is probably a setting of network configuration problem that causes this problem.  Good luck!

-Rob

Tags: Windows

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