Thanks for reaching out to the Apple Support Communities! It sounds like you are getting an error messages in iTunes and I will be happy to help. Check out this article with steps to follow If iTunes doesn‘t recognize your iPhone, iPad, or iPod. This article has the steps you can follow when you see the error message you describe, along with the steps you need to follow if you continue to have issues.
Thanks for reaching out to the Apple Support Communities! It sounds like you are getting an error messages in iTunes and I will be happy to help. Check out this article with steps to follow If iTunes doesn‘t recognize your iPhone, iPad, or iPod. This article has the steps you can follow when you see the error message you describe, along with the steps you need to follow if you continue to have issues.