You must always create your account by accessing NoodleTools from the Lafayette library home page. Login to MyIvy and choose the Library link.. There is a link to NoodleTools under Quick Links.
By going through MyIvy you should see the green box that says you are authenticated as an Ivy Tech student. When you click on Register make sure the button that says : An account linked to a school/library subscription or trial is selected
You should then be able to successfully register to create your account.