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windows xp, can't access anything outside network

I am having an internet connection problem with Windows XP SP2. The computer is on a small network and can access all of the local network resources without any problem. I can transfer files to and from a NAS unit, I can ping other computers sucessfully, and I can ping the router without any problem. However, I can't reach anything outside the network. IE can't find websites and I can't ping an external server's IP address. I have tried the following with no success:

- Uninstalled the Internet Gateway Decive Discovery and Control Client (because the computer was automatically trying to use a shared internet connection)

- Checked the hosts file to see if there was anything out of the ordinary (nothing unusual)

- Checked the TCP / IP settings on my wireless network adapater to make sure that the computer is set up to automatically receive an IP address like all of the other machines on the network

- Checked to make sure that the computer is being assigned an IP address (it is, 192.168.1.103)

- Tried disabling the wireless card and using an ethernet connection instead

The computer is a brand new Dell dimension E520. I purchase several of the machines at the same time and this is the only one giving me trouble.  I'm totally stumped. Any ideas?
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ladg
Asked:
ladg
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1 Solution
 
and235100Commented:
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ladgAuthor Commented:
I was able to run the program and restart but am still unable to access the internet
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Alan Huseyin KayahanCommented:
   Hi ladg
          Looks like a gateway issue. Make sure the IP address of the router entered in gateway line in TCP/IP properties.
          Only 1 computer encounters that issue in network? Try uninstalling then reinstalling NIC

Regards
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securitythreatCommented:
If you can ping local computers, however, are unable to ping external computers it is not the computer.  
The ping internally shows that the computer is functioning properly.  The ping externally is there the question is.  Try pinging an external IP address.  If you cannot, then you have an issue with your firewall.  If you can, however, cannot ping by DNS, then your DNS servers are an issue.  Please note that you can specify any DNS server for the client as long as it can be reached.
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ladgAuthor Commented:
Ok, I am able to ping external IP addresses but the browser won't resolve addresses. Securitythreat, can you explain what you mean by "ping by DNS?" Thanks.
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securitythreatCommented:
Ok, the fact that you can ping by IP address and not DNS shows you where the problem is.  Pinging by IP address shows there is connectivity.  Pinging the same host by DNS (or hostname) shows that you are unable to resolve DNS name.  For instance, the ip address for yahoo.com is 66.94.234.13.  If you can ping this, then you have connectivity.  HOwever, if you cannot ping yahoo.com (this is the DNS name or hostname) then you have a DNS issue.  

You need to make sure that the DNS info that your client has is correct.  You can see this by typing "ipconfig /all" in the command prompt and seeing what your client gets for DNS name.  
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ladgAuthor Commented:
Here's what ipconfig /all gave me:



Windows IP Configuration



        Host Name . . . . . . . . . . . . : LADG1

        Primary Dns Suffix  . . . . . . . :

        Node Type . . . . . . . . . . . . : Unknown

        IP Routing Enabled. . . . . . . . : No

        WINS Proxy Enabled. . . . . . . . : No



Ethernet adapter Local Area Connection:



        Connection-specific DNS Suffix  . :

        Description . . . . . . . . . . . : Intel(R) 82562V 10/100 Network Connection

        Physical Address. . . . . . . . . : 00-19-D1-65-D2-D1

        Dhcp Enabled. . . . . . . . . . . : Yes

        Autoconfiguration Enabled . . . . : Yes

        IP Address. . . . . . . . . . . . : 192.168.1.108

        Subnet Mask . . . . . . . . . . . : 255.255.255.0

        Default Gateway . . . . . . . . . : 192.168.1.1

        DHCP Server . . . . . . . . . . . : 192.168.1.1

        DNS Servers . . . . . . . . . . . : 192.168.1.1

        Lease Obtained. . . . . . . . . . : Sunday, July 22, 2007 3:17:02 PM

        Lease Expires . . . . . . . . . . : Monday, July 23, 2007 3:17:02 PM
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ladgAuthor Commented:
All of the other computers on the network show the same gateway, DHCP server, and DNS server entries.
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securitythreatCommented:
Does 192.168.1.1 do DNS?  You can also try giving your host a static ip and manually giving it the dns server of your ISP
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Alan Huseyin KayahanCommented:
        Hi ladg
             *Start>Run>Cmd
             *Type nslookup. then type www.google.com. If it resolves the ip address of google, then there is something wrong with your browser. Check they procy settings of browser. Make sure it points your proxy, if you do not have any proxy in network, make sure all boxes are unchecked including auto dedect.
           
Regards
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ladgAuthor Commented:
Tried nslookp and got a weird result so I changed dns servers to opendns. Now nslookup is working correctly. Checked to make sure that none of the proxy server settings were selected in my browser. Still no luck browsing.
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securitythreatCommented:
After change, are you able to ping yahoo.com?
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ladgAuthor Commented:
Yes, I was able to ping yahoo. One additional thing: when I try to browse to an address, the status indicator at the bottom of the browser says "opening page..." and just gets stuck there. Eventually the operation just times out and I get a "page cannot be displayed" message.
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Will71Commented:
Is the Windows Firewall on? As a troubleshooting step, you disable any personal firewalls that might be running.
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securitythreatCommented:
Awsome.. this is a great start.  Make sure you do the next step
1.  Open IE
2.  Click on tools ad go to internet options
3.  Click on Connection Tab
4.  Click on LAN setting
5. make sure you do not have anything checked in here.

Secondly, disable any firewalls that you have.  reboot, then try to browse again.
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Alan Huseyin KayahanCommented:
       Hi ladg
              Looks like a malware or corrupt IE. Try updating to IE7. If already IE7, uninstall and reinstall it back. Install an antispyware then do a full scan.
             In Internet Explorer poperties, in advanced tab, click reset. Then restart computer
             Also would you please send us the message in "page can not be displayed"
             If none above solves, run the following software http://www.snapfiles.com/get/winsockxpfix.html

Regards
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CSGAshleyCommented:
Hi ladg,

I would as recommended above disable any firewall software - dell sometime packages it with the computer, check the icon down near the clock.

Can you install a browser such as FireFox and test the internet connection ?

Can you connect to any other internet services such as msn, ftp sites, or telnet to a server smtp port ?
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securitythreatCommented:
I would recommend firefox too... IE can be a bit messy when you try to uninstall and re-install... in most cases.. if IE is corrupt you might as well re-image the PC.  If you haven't got alot of data to save, it might be the recommended things at this point.
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ladgAuthor Commented:
I've tried installing firefox and it has the same problem. Have also confirmed that the LAN settings in IE are all unchecked. Also tried disabling the firewalls and Norton Internet Security.  One interesting thing: I CAN access FTP sites by domain name with no problem in IE.

Maybe it's time to do a repair installation of Windows?
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Will71Commented:
Does that Dell come with a recovery CD?  Might be easiest just to throw the disk in and rebuild it back to factory defaults since you said it's a new PC.
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CSGAshleyCommented:
Can you open up a cmd promt and enter the following :  
route print

and then post the results here
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Alan Huseyin KayahanCommented:
      @csgAshley: He can ping outside ip address so routes look OK
               The thing is "Norton Internet Security" here. Uninstall it completely. After uninstalling it, repair Internet Explorer. Also after uninstalling Norton Internet Security, create a new user and log in with that new user in a clean profile. Now try browsing

Regards
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ladgAuthor Commented:
Maybe a dumb question, but how do I repair an install of IE?
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ladgAuthor Commented:
Here are the results of the route print:

===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 19 d1 65 d2 d1 ...... Intel(R) 82562V 10/100 Network Connection - Packet Scheduler Miniport
===========================================================================
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0      192.168.1.1   192.168.1.108        20
        127.0.0.0        255.0.0.0        127.0.0.1       127.0.0.1        1
      192.168.1.0    255.255.255.0    192.168.1.108   192.168.1.108        20
    192.168.1.108  255.255.255.255        127.0.0.1       127.0.0.1        20
    192.168.1.255  255.255.255.255    192.168.1.108   192.168.1.108        20
        224.0.0.0        240.0.0.0    192.168.1.108   192.168.1.108        20
  255.255.255.255  255.255.255.255    192.168.1.108   192.168.1.108        1
Default Gateway:       192.168.1.1
===========================================================================
Persistent Routes:
  None
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Will71Commented:
Your routing is fine if you're getting to other Internet hosts.  Sounds like you're just having a problem with port 80 (http) traffic.  Along those lines, do you have any port 443 (https) sites you connect to that you can test?

Since you've installed Firefox and have the same problem, there's no point in troubleshooting IE or looking to "repair" it.

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Alan Huseyin KayahanCommented:
         Combination of some ways
                *Uninstall in add/remove programs, then reinstall
                *Set all Internet settings in Internet Explorer properties to default/reset
                *If you have another computer with same IE version that is working, export the following keys to reg file then run it in the corrupted computer
  HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer
  HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer              
               *Make sure Norton Internet Security's all services stopped/uninstalled
               *Did you run the tool http://www.snapfiles.com/get/winsockxpfix.html
 
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ladgAuthor Commented:
Uninstalled Norton Internet Security and created a new user account.... IE is able to resolve addresses now. Thanks to all for your help!
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