When you first open Adobe Digital Editions (ADE), you will be required to enter your Adobe ID or create a new Adobe ID. Your computer is then Authorized with the Adobe ID you choose. Any device that you transfer eBooks to via Adobe Digital Editions, will require to be authorized.
A computer or device can only be authorized by one Adobe ID at a time. The De-authorize option in ADE allows you to remove your Adobe ID from either your device or computer. After a computer or device is de-authorized, you will be able to authorize it again with either the same Adobe ID, or a new one.
If you are not sure if you have authorized your NOOK, or if your device is not being recognized by Adobe Digital Editions, you can de-authorize the device/computer and re-authorize.
De-authorizing your NOOK will remove any Adobe ID from your device. After de-authorizing your NOOK, you must authorize it again with a new or existing Adobe ID to read any content sideloaded from ADE.
To De-authorize your NOOK:
· For PCs: Hold CTRL + Shift + E
· For Macs: Hold Command + Shift + E
De-authorizing your computer will remove any Adobe ID from your computer. After de-authorizing your computer, you will need to authorize it again with a new or existing Adobe ID to use ADE.
To De-authorize your COMPUTER perform the following:
· For PCs: Hold CRTL + Shift + D
· For Macs: Hold Command + Shift + D
After de-authorization, safely eject your NOOK then re-insert the USB cable to your computer. Once recognized again, ADE will prompt you to authorize your NOOK/computer and will tell you how many remaining devices can be authorized.Mac users may need to re-start Adobe Digital Editions.