Solution to Problem: Cannot connect to home network after connecting to internet at Duke university

Cannot connect to home network after connecting to internet at Duke university

W7 Pro noteboook cannot reconnect to home network after connecting to internet as guest/visitor at Duke University.  The Duke system made predatory changes to my computer, and I cannot fix it with system restore.
  The home network is a Windows Workgroup
with mostly XP machines, no password required.  This happened in the past when the guest was a XP machine too, then It had something to do with DNS settings.  Has cost me much time and anguish and lost productivity.

Anwsers to the Problem Cannot connect to home network after connecting to internet at Duke university

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Hi,
 
1.      Do you get an error message? If yes, what is the exact/complete error message?
2.      Are you able to connect to internet?
 
Refer the help article and check if it helps.
 
Method 1
Identify and resolve home network problems
http://windows.microsoft.com/en-US/windows7/Identify-and-resolve-home-network-problems
 
Networking home computers running different versions of Windows
http://windows.microsoft.com/en-US/windows7/Networking-home-computers-running-different-versions-of-Windows#section_2
 
Method 2: Check if the issue persists in clean boot.
To help troubleshoot error messages and other issues, you can start Windows by using a minimal set of drivers and startup programs.
This kind of startup is known as a "clean boot." A clean boot helps eliminate software conflicts.
How to troubleshoot problem by performing clean boot in Windows 7
http://support.microsoft.com/kb/929135    
Note: Once you are done with the troubleshooting, perform the steps in
Step 7: to reset computer as usual.
 
Also refer:
Wired and wireless network connection problems in Windows
http://windows.microsoft.com/en-US/windows/help/wired-and-wireless-network-connection-problems-in-windows
 
Let us know the status of the issue.

If you failed to fix it, another option is to call Microsoft and walk through the process with a technician. To do this, dial "1-800-936-5700". Explain the error that you received and the steps in the update process during which it was displayed. The technician will be able to walk through the steps from getting a new product key to finishing the installation.

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1. Click the button to download SmartPCFixer . Install it on your computer.  Run it, and it will scan your computer. The junk files will be shown in the list.

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