- Connect the Reader™ Digital Book to the computer.
- Launch the Reader™ (eBook) Library software.
- Log in to your eBook Store account.
- Click My Account.
- On the Account Overview page, under My Devices, click the Mange/Rename Devices link.
- On the Manage Device page, to the far right of the Reader to be de-authorized, click De-authorize.
NOTE: If you wish to de-authorize a computer you no longer have access to, please contact us and let us know the name or number and the authorization date of the computer to be removed.