Cannot reset winsock, isatap yellow exclamation, no wireless or internet

A reminder that IT can be tough

TCAT Shelbyville - Technical Blog

Have a wireless card that doesn’t see the wireless?  Does checking the Device Manager show a yellow exclamation mark on the isatap or Teredo Tunneling Pseudo Interface?

Mickey and I tried everything on someone’s computer and we couldn’t delete the wireless or other networking adapters above that had a problem.   The error, it turns out can be from multiple areas.   We found someone on the internet who doesn’t want any credit.  So to that ‘person’  we say thanks and we owe you.

Always backup your computer before performing advanced commands.


  1. Load the latest driver for the wireless or Ethernet card.
  2. Reboot if necessary
  3. Go to the properties of the nic card with a problem.  Uncheck IPv6 protocol.   You can check this later after the repair. Close the properties Windows
  4. Go to the Device Manager
  5. Double click on the isatap with a yellow exclamation, click update driver…

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About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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