Here are 4 simple steps:
1) Log in to the back end
2) Click Components --> Contacts
3) Click the Contact name which you linked to in a menu to have the form appear
4) Check that the field "linked to user" is actually linked to a user
5) Goto menu -> contact menu -> Contact Display Option ->Display format -> default is "Using Global", change it to "Plain"
Source: The Joomla! Forum ™