AAfter many trials and tribulations and the kind and helpful replies from many users, i finally was able to make it work.
it just never occurred to me that after doing what seemed logical, scrolling up on the AirPlay and seeing Apple TV checked in, you must scroll up again and click the switch on for mirroring.
in the past, I did not have to do the second scroll up, once Apple TV was clicked on, it worked fine.
so the extra step did the trick.
thank you so much for the hint. I was very frustrated. You would think that Apple would have caution AppleTV users to follow the appropriate steps.
THe following might help other frustrated users....
1. Update IPad to the latest software. Turn on your iPad.
2. Update your Apple TV to the latest software. Turn on your Apple TV. Choose Computers. Make sure you are logged in.
3. Swish up to bring the option menu for Apple TV on your iPad.
4. Choose AirPlay
5. Click on Apple TV on the right hand box.
6. Scroll up to bring the Mirroring option and turn the switch on.
hopefully it will work for all or most of you.