How to deregister in Kindle for Pc or Mac ?

Updated : July 14th, 2016

How to deregister in Kindle for PC or Mac?

Error: No key found. Most likely the correct PID has not been given.
DRM Removal Failed.

Video : How to deregister in Kindle for Pc

if you already download ebook in window in Kindle for pc, still fail to remove DRM, you can do as follow:

  1. Open Option window, click Deregister button to deregister, remove all license content, close it.

  2. Run Kindle for Pc or Kindle for Mac, register it again.
  3. Select ebook title in Kindle for Pc, right-click download item to re-download ebook.
  4. Run Kindle drm removal, try again.

if converter still not working, you do completely deregister as follow:

  1. Open Option window, click Deregister button to deregister, remove all license content, close it.

  2. goto amazon webpage “manage device”, delete that pc if it still show up.
  3. for windows, delete folder “c:\programdata\ebook converter” that is hidden folder.
  4. Run Kindle for Pc or Kindle for Mac, register it again.
  5. Select ebook title in Kindle for Pc, right-click download item to re-download ebook.
  6. Run Kindle drm removal, try again.

2 way for Adobe New DRM – New ADEPT Encryption

Adobe updated DRM server recently, new DRM can’t decrypt by now, you got error message like this

epub drm removal and other converter doesn’t work with new ADEPT, but we provide 2 way to deal with it,

Adobe Digital Edition Converter

Digital Editions Converter is tools to convert ADEPT book to PDF file, it is designed for new ADEPT, work with book open in Digital Editions, it takes screenshot of page in ADE, pdf page is image , but you still can view pdf without any limitation, backup your textbook before expiration, share pdf textbook with friends

ProQuest Downloader

PorQuest Downloader download proquest.com textbook to pdf into PC/Mac, it works like a browser and get ebook pdf format file, backup your textbook before expiration, print etextbook, share pdf textbook with friends, read textbook in any device without limitation


Read public library epub book in Kindle

You borrow a epub book from public library, but you can’t read epub in Kindle 3 that doesn’t support drm epub format, epub with DRM protection means that you can’t read in Kindle. Fortunately, you can remove DRM protection, convert to Mobi format and read it freely in Kindle reader.

This tutorial is to remove your existing epub drm digital books and documents into ePub format.

Difficulty Level: Easy

What You Need:

1). Install Adobe Digital editions, you can skip to next step if you have already installed.

2). To get your epub ready to remove DRM protection, you must add DRM epub into Adobe Digital editions library if you download DRM epub from 3rd program other than Digital Editions,like sony reader, click “Library” button in toolbar, select “Add item to library”, find epub in Sony ebook folder, “My documnet\My books\Reader Library”, select ebook to add.

3) After add DRM epub in digital editions library, Run ePub DRM Removal, select epub books from Digital Editions library folder or Sony reader library folder, set output epub file location and filename.

4) When you’re ready to removal DRM protection , click “Removal ePub DRM” button. After a few seconds, you’ll have an ePub book in output folder.

5) Once find decrypted ePub file in Windows Explorer , run calibre and drag and drop new epub into calibre.

6). Select your file and click Convert E-books.

7). In the pop-up window that appears in the drop down box on the right hand side make sure that Output format is selected as Mobi format.

8).  It will work fine and create a new azw file that support by Kindle,  just copy new .azw file to Kindle,  you can read Public library book in Kindle,  enjoy reading….


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