http://www.inmotionhosting.com/support/edu/moodle/new-to-moodle/change-username-password-moodle
This video shows you how to update your Moodle Username and Password in the Admin Dashboard.
This is part of the full Moodle Education Channel in InMotion Hosting Support Center: http://www.inmotionhosting.com/support/edu/moodle
Duration: 2:38
Publisher: InMotion Hosting
You can watch this video also at the source.
