Vista - Vista Ultimate not connecting to internet

I have read several posts regarding issues similar to mine, yet none are
exact.

I run Vista
Ultimate 64b and I was having NO trouble with my internet connection
until just recently. I turned my computer on, only to have it arrive at
a black screen and lock up. I restarted, and when I get back online it's
not connecting to the internet.
I called my ISP provider, and they sent someone out to test everything.
We concluded that my connection and modem were up and running, and he
tested his laptop on my connection and it worked. My computer is simply
having issues.
I've system restored a few times, and it's not working. I have viewed
settings to make sure nothing is being restricted, but cannot find
anything that would be preventing connection.

When I bring up my Network Connections
, it's trying to connect to a Local IP that is a default for the
computer. It gets to that connection with Limited Connectivity but will
never connect to the internet or the IP provided by my ISP. Anyone have
any ideas why this would happen so randomly? I changed no settings
whatsoever.
I do not have access to my computer as of now but I will be posting
responses asap. Thank you for any help you can give. If any specific
questions, please Email me at Regulate04@xxxxxx.


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"TK1083" wrote:
You can reset the TCP/IP on Vista to see if that gets the connection back.
Also, malware such as a virus can blick the Internet connection, so for that
too.

<http://www.mydigitallife.info/2007/06/18/repair-and-reset-windows-vista-tcpip-winsock-catalog-corruption/>

Does the IP the machine has starts with 169.? If it is the 169. IP, then
that's an indication that the computer couldn't get an IP from the DHCP
server on your ISP's network, it timed out trying to get a vaild IP, and the
O/S assigned the 169. IP to the NIC. It's a sign of trouble with the
connection to the Internet.

IPconfig /all will tell you the IP the machine is using when the command is
issued at the Command Prompt.

You can also use IPconfig /release and IPconfig /renew to see if it can get
a vaild IP from the ISP..

You can try to reset the TCP/IP if all else fails. However, the network card
could be going defective , and the network cable to the computer can go bad
as well.

To start, thanks for your responses, I appreciate the help.

Yes the IP starts with 169. I've tried changing the network to Public
and Private, neither are working, and it keeps going to a Unknown
Network with Local Access only. I've tried changing the properties to
make it search for DNS automatically, nothing seems to be working.

How can I connect to the webpage with no internet connection? Is there
a way around to get to that website and get the content I need?

Every repair I try towards the IP has no effect either.

under Device Manager everything seems to be correct compared to what
posts are saying on this website.

What should my Network Adaptor be up to?


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Thanks for your help, I will try typing that into command prompt when I
return home.

At this point; I've uninstalled Windows Vista, only to find out that my
XP home disc is not downloading certain xml files (and a few others) to
successfully complete the installation. So, I'm back to reinstalling
Vista and the connection is at the same point. I'm hoping it's not my
Networking card, is there anyway to check if that's the problem besides
having to buy a new one? I need this computer up and running for finals
and it's not looking good.

Again, thank you for all the help, I've been reading ideas on this
website and others still not finding the correct solution, so please
keep the ideas coming.


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Thanks for the suggestion, I'll check it out.

I believe there is a problem with my explorer.exe process. Everytime I
try to Disable or Enable an internet connection, the Local Area
Connection window stops responding, and I have to completely end the
explorer.exe process.

This is after a complete reinstall of Windows Vista. I've been trying
everything to get this computer connected again; including resetting my
ip stack. Please keep the suggestions coming. Here is my ipconfig
/all

Host Name: Tom-PC
Primary DNS Suffix:
Node Type: Hybrid
IP Routing Enabled: No
WINS Proxy Enabled: No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix:

Description: NVIDIA nForce Networking Controller
Phyiscal Address: 00-1B-FC-FC-0C-E4
DHCP Enabled: Yes
Autoconfiguration Enabled: Yes
Link-Local IPv6 Address: fe80::9176:a4e:8d3a:1ecx10(Preferred)
Autoconfiguration IPv4 Address: 169.254.1.236(Preferred)
Subnet Mask: 255.255.0.0
Default Gateway
DNS Servers: fec0:0:0:ffff::1x1
fec0:0:0:ffff::2x1
fec0:0:0:ffff::3x1
NetBIOS over Tcpip: Enabled

Tunnel adapter Local Area Connection* 6:

Media State: Media disconnected
Connection-specific DNS Suffix:
Description: isatap.{C0CE17D4-FB1A-4CC0-8642-3B9C49531067}
Physical Address: 00-00-00-00-00-00-00-E0
DHCP Enabled: No
Autoconfiguration Enabled: Yes


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Is your DHCP service turned on (Started, Automatic)?

It looks like my the DHCP is enabled under the ethernet adaptor local
area connection but not under connection 6. How would i enable DHCP
under connection 6?


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TK1083 wrote:Did you try to reset the TCP/IP stack as Ollis suggested? Sometimes, the
169 IP will not release from the machine even if you do IPconfig
/release and IPconfig /renew or even reboot the machine, as the IP is
locked on the machine, and you must use the Netsh command to get it to
reset the TCP/IP to get it to release the 169 IP.That's because the Web page has been visited before by the machine when
it had a good connection, and the Web page was cached on the machine. It
makes for faster Web site access for a site, if the browser caches pages
on the machine for the site. You clear the browser's cache of Web pages
it has cached, and you will see that you do not have a connection via
the Internet to that particular Web site. You do not have an Internet
connection as the IP you have indicated the machine is using starts with
169.

The way I see this. The network card in the machine is broken, and it
has gone defective. Things don't last forever or it doesn't take long
for them to go defective.

If you have issued the Netsh command that Ollis has mentioned repeatedly
or have done ipconfig /release and ipconfig /renew, along with rebooting
the machine and the 169 IP continues to comeback when it was all working
before, then the card or the cable to the card has gone defective, and
either one or both needs to be replaced.

Great feedback, I really appreciate your post.

Yes, I've done netsh int ip reset, ipconfig /release and ipconfig
/renew...nothing is working. I'm guessing it's my networking card as
well. They're cheap so I'm going to replace it soon and post back again
if there is a problem. Thanks to everyone for your help.


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