laptop tells me that it cannot find a certificate to log too

What is a certificate

What is a certificate

If you are a teacher, you should be able to ask better than that.  Seehttp://support.microsoft.com/kb/555375

If I had to guess, I suppose you are trying to connect to a home wireless network and the box to "Enable IEEE 802. 1 x authentication for this network"is checked (do not).

  1. Open network connections (start > run > ncpa.cpl > OK)
  2. Right click on your wireless adapter icon and select Properties
  3. Click the wireless networks tab
  4. Select your network from the list of preferred networks, and then click "Properties".
  5. Click the Authentication tab
  6. Uncheck the box and OK your way out.
  7. You should not restart, but do it anyway, on general principles.

If that doesn't help - and if your question relates to a wireless home network - and then follow the above instructions until step 4, but instead click on 'Properties', click on 'delete '.  Then go to the list of available wireless networks, find your network and click on connect.  Enter the password when you are prompted.

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