Through the years, Amazon’s Kindle has grown from a simple e-book reader into a practical and functional device that many users love. People can use it to browse, purchase, and download various e-books, magazines, and other reading materials. Amazon constantly aligns this device with the Microsoft’s updates on the Windows OS. However, like other tablets, Kindle is still susceptible to connectivity issues.

• Downgrade Kindle Fire Os
• Kindle For Mac Downgrade Mac
• Downgrade Kindle Fire Firmware
• Kindle For Mac Downgrade Windows 7

Oct 04, 2020 run Kindle Converter, import kindle book and click Convert button. It will remove drm and convert to pdf epub file. Second method, downgrade Kindle app 1). User should download and install amazon free app Kindle for pc or Kindle for Mac, latest version is NOT support, download kindle for pc old version v1.24, kindle for mac v1.17. Step 1 From the Amazon website access Account & Lists Content and Devices. Step 2 Find a book you want to remove DRM and press the. Button in the Actions column for that book. Step 3 Choose Download & transfer via USB in the pop-up window. Step 4 Select the name of your registered Kindle.

What if Kindle is not Recognized Under Windows 10?

If you’re having trouble connecting your Kindle to your PC, do not worry. In this article, we will teach you what to do if your computer doesn’t detect a Kindle. The workarounds for this issue are quite easy to follow. Make sure you work your way down the solutions until you find the one that will fix PC won’t recognize Kindle successfully.

Method 1: Trying a Different Port or Cable

The first thing you should do is check if there are physical issues with your computer’s USB port or with the cable itself. You have to make sure that they do not have any damages. Check your USB port’s functionality by connecting a different device to it. For instance, if you have an external webcam, you can try plugging that to the USB port.

If your PC automatically recognizes the device, then the port is functional. In this case, it is possible that the problem lies with the USB cable. You can also try other ports to see if they can recognize your Kindle. If you’ve determined that there is something wrong with the cable, you can try using a different USB cable to fix PC won’t recognize Kindle.

Method 2: Use a Different Computer

You can also try connecting your Kindle to a different PC. Doing this will allow you to specifically identify whether the problem lies with your computer, Kindle, or USB cable.

Method 3: Try Charging your Kindle for a Longer Period

Users who had experienced the same problem tried charging their Kindle for more than 30 minutes. They performed a hard reset after that and were able to connect their e-book reader to their computer successfully.

Method 4: Performing a Hard Reset

Like other smartphones and tablets, Kindle also has a reset function that allows users to clear their device’s memory and clean install the operating system. When you try to reset your Kindle, you will be able to address software problems that might prevent your PC from recognizing the device. To hard reset your Kindle, follow the steps below:

1. Plug your Kindle to your computer.
2. Press and hold the Power button for around 40 seconds.
3. Wait for your Kindle to restart automatically.
4. Once your device restarts, release the Power button.
5. If your Kindle does not restart automatically, you can turn it on by pressing the Power button.

Method 5: Connecting Kindle as a Camera

If your PC does not recognize your Kindle, you can try connecting it as a camera. Once you’ve plugged your device to your computer, open the Notifications bar, then select the Connection Options. Choose the ‘Connect as a camera’ option. If this is not available from the list, you can select it from the Settings or Storage options on your device.

Method 6: Connecting Kindle Using Calibre

You can also try to connect your Kindle to your PC, using Calibre. Switch off your computer and Kindle, then unplug all the cables attached. Once you’ve switched your PC back on, you can open Calibre, then try connecting your Kindle to your computer. Turn on your e-book reader and check if you’ve resolved the issue.

Method 7: Enabling ADB

Another solution you can try is enabling the Android Debug Bridge (ADB) feature on your Kindle. If you notice that it is already activated on your device, you can disable it and check if that fixes the issue. You can do this by going to Settings, then selecting Device. There, you will see an option to either enable or disable the ADB feature.

Method 8: Installing the Kindle Driver

It is possible that your computer is not detecting your Kindle because you haven’t installed its driver properly. Perhaps, the driver has been corrupted or it is missing. So, the best solution for this is to update or install the Kindle driver. You can manually do that, but you should know that the process can be complicated and time-consuming. Take a look at the steps you have to follow:

1. On your keyboard, press Windows Key+S.
2. Type “device manager” (no quotes), then hit Enter.
3. Expand the contents of the Portable Devices category.
4. Right-click MTP Device or Kindle, then select Update Driver Software from the options.
5. Select the ‘Browse my computer for driver software’ option.
6. Choose the ‘Let me pick from a list of device drivers on my computer’ option.
7. Select Show Compatible Hardware.
8. Choose MTP USB Device, then click Next.
9. Install the driver on your computer.

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Method 9: Reinstalling Kindle

You can also try reinstalling the latest Kindle software for Windows 10 to resolve the issue. To do this, follow the instructions below:

1. Press Windows Key+S on your keyboard.
2. Type “settings” (no quotes), then hit Enter.
3. Select Apps.
4. Go to the left-pane menu, then choose Apps & Features.
5. Go to the right pane, then search for Kindle.
6. Click it, then select Uninstall.
7. Restart your computer.
8. Go to the Downloads page of Amazon, then get the latest Kindle software for Windows 10.

Method 10: Disabling the USB Selective Suspend Feature

If you’re still wondering what to do if your computer doesn’t detect a Kindle, you can try disabling the USB selective suspend feature. By default, it is enabled in portable computers to conserve power and help prolong the battery’s life. However, it can also cause USB connectivity problems. So, you can try to disable it to get rid of the issue. Here’s how to do that:

1. Open the Run dialog box by pressing Windows Key+R on your keyboard.
2. Type “control panel” (no quotes), then hit Enter.
3. Once Control Panel is up, make sure that the View By option is set to Category.
4. Select Hardware and Sound.
5. Click Power Options.
6. On the new window, look for your chosen power plan, then click Change Plan Settings.
7. Click the ‘Change advanced power settings’ option.
8. Expand the contents of USB Settings.
9. Click USB Selective Suspend Setting, then choose Disabled for the Battery and Plugged In options.
10. Save the changes you made.

Which of the solutions helped you connect your Kindle to your computer?

Feel free to share your answer in the comments section below!

3 Tried-and-True Ways to Convert Kindle KFX to EPUB (and Remove DRM)

If you buy and download ebooks from Amazon’s Kindle, you’ve probably encountered the KFX file. It is the new Kindle eBook format since 2017.
Though KFX files can be convenient to use in some cases, it also comes with new type of DRM. You can’t convert KFX to ePub/PDF/Mobi/AZW3 with calibre in the old way and in fact, Calibre cannot read this file format even it is DRM free.

To solve this problem, I spent sometime reading about this topic, testing all available methods. In the end, I did successfully find 3 different methods to remove Kindle KFX DRM and convert KFX to ePub, PDF, Mobi, AZW3, etc.

In the following parts, I’d like to show you the detailed guides on how to convert kindle KFX to EPUB with these tools.

How to Convert Kindle KFX to EPUB/PDF/Mobi with Calibre

One of the easiest and totally free ways to remove DRM from KFX files and convert KFX to EPUB id by using Calibre. It is a free and open-source software application that can read and manage ebooks files with excellent functionalities.

Follow this simple guide to convert your KFX files quickly and easily using Calibre. Let’s get started!

Can calibre open DRM free KFX?

Many people think that Calibre may open their DRM free KFX file directly. But the answer is that, Calibre can’t open KFX file directly, to convert KFX to EPUB, we need to add two plugin to Calibre beforehand.

The Calibre App: https://calibre-ebook.com/

KFX Input Plugin (Version 1.33.0): https://www.mobileread.com/forums/showthread.php?t=291290 (all you have to do is scroll down and click on the attached files)

Apprentice Alf De-DRM Plugin (Version 6.8.0): https://github.com/apprenticeharper/DeDRM_tools/releases

The kindle KFX input plugin will help you add KFX file calibre and DeDRM Calibre plugin will help remove DRM from Kindle KFX file.

KFX book (which includes ALL the files and associated folders for the specific book on your Kindle).

Step 2. Download Kindle books via older version Kindle for pc/mac 1.24/1.23

Tips: If you are using macOS 10.15 Catalina, you cannot install Kindle for Mac V1.23 since it’s 32 bits. But Mac Catalina only supports 64 bits. In this case, please just skip this part and turn to use Tool 3.

1. After downloading the kindle app, log in with your account and it will show all your books, please find the book you need to download, then right-click on the book and choose “Download”.

2. After downloading all the need ebooks. We now need to open calibre and install the plugins.

Step 1: Install DeDRM plugin to Calibre
Click on Calibre > Preferences.

scroll down to bottom and under advanced click on Plugins and then click on load plugin from file.

Navigate to the unzipped DeDRM_tools folder and, in the folder DeDRM_calibre_plugin, find the file DeDRM_plugin.zip. Click to select the file and select Open.

once you do that, it will give you a warning saying: install plugin is security risk…… click yes

Then it will show you that plugin DeDRM successfully installed.

the DeDRM plugin is displayed under the file type plugins.

Next you can repeat the same step to install the KFX input plugin.
And the loaded KFX Input Plugin will be displayed under Conversion input plugins.

in-order for the plugins to take effect we’ll have to restart the Calibre program.
The next step is to Click Add books to add KFX file. If you have already added it to Calibre, remove it and then add it again, as the DeDRM plugin runs on first import only.

If you don’t know where to find the downloaded KFX ebook files, you can find it according to your way of downloading the books.
If KFX books are downloaded with Kindle for PC/Mac, you can find the book from > Documents > My Kindle Document folder.

If KFX files are downloaded with Kindle e-ink Reader, you can locate it from Kindle’s Document folder.

After adding, Calibre will start loading the book.

after loading successfully click convert books
In the upcoming window choose ePub/Mobi/PDF/AZW3/TXT… as the target format. then click ok.

In the bottom of the interface it will show Jobs 1 when you see job 0, it means the conversion is successful. The book will have two formats for you to choose after the conversion.

See, this isn’t an easy way, you have to download several things and find the book manually, but it is free and did succeed in converting KFX books to Epub. For people who can’t be bothered, my advice is to use the other two paid method we introduced below.

Convert Kindle KFX to Epub without Installing Plugins

Already known for its prowess in the ebook arena, Epubor Ultimate is the next best and provides a number of features to bring ease to your ebook converting and DRM removing. The interface is self-explanatory and only two steps are needed to get you started. Unlike Calibre, It is designed to be easy to use for beginners. It doesn’t need install any additional tools or plugins.

It was also the first software to provide support for removing DRM from KFX files not long after Amazon adopts the format.

Except removing DRM from KFX and convert it to EPUB, PDF, AZW3 or Mobi. It can also remove DRM from Kindle, Kobo, Nook eBooks, Google Play books, etc. You can download its free trial, and then follow the steps below.

Step 1: First download Epubor Ultimate and install it. (This is a paid software but it provide free trial for you to download and try it, the trial version only convert 20% content of each book, you can also contact their support team to ask for a temporary license. )

Price: $19.99 for Windows, $24.99 for Mac
Free Trial Limitation: Restrict without date but has a limitation that decrypts 20% content of each book.
Suitable Crowd: Windows XP/Vista/7/8/10, Mac OS X 10.8 to 10.14 users

See the video guide on how to use the app

Step 2. If the KFX books are stored in your Kindle e-ink Reader, please connect your Kindle device to your PC or Mac via a USB data cable.

If you don’t have a Kindle Reader, please download your KFX books to your computer with old version Kindle for PC/Mac(below 1.25 version). Unlike Calibre, you don’t have to uninstall and install manually, Just open Epubor Ultimate it will help you automatically downgraded the Kindle for PC/Mac to the older version.

When the downloading completed, a window “Kindle terms of use” pops up. Click on “Yes”.

Notice: Remember to stop the automatic update for Kindle app manually. Open Kindle desktop app →Click “Tools”→Options →General →uncheck the “Automatically install updates when they are available without asking me”

Step 3. Launch the degraded kindle app, sign-in again, and re-download your kindle books.

Step 4. Now back to Epubor ultimate, all the KFX books in your Kindle device and you downloaded to your PC will automatically detected by this tool, the kindle books you downloaded will be displayed under Kindle tab, while your Kindle devices ebooks will be displayed under Kindle Device tab on the left interface.

Just drag and drop the Kindle books from the left to the right pane. All the DRM protected KFX books will be decrypted immediately with a “Decrypted” word showing.

To find the decrypted Kindle KFX eBooks, click on “Decrypted”.

Step 4. If you want to convert Kindle books, Please click the blue “Convert” button at the bottom and choose a format you need.

When the conversion completed. You will see a “Succeeded” under each book row. Just click the “Succeeded” to find the converted ebook files.

Convert KFX to EPUB for Mac 10.15 and Kindle 1.25+

How to remove DRM from Kindle KFX eBooks downloaded via Kindle for PC/MAC 1.25?

After Kindle desktop v1.25 and firmware 5.10.2 released, amazon kindle changed their DRM scheme technology, that the reason why Both calibre and Epubor Ultimate needs you to downgrade your Kindle for PC/Mac to 1.24(1.23) and STOP auto-update.

However, Mac OS 10.15 Catalina only supports 64 bits application, and Kindle for Mac 1.23 is 32 bits. So, we need a way that can work on MacOS 10.15 Catalina, and some people also wants a way that can work with Kindle for pc/mac version 1.25 and higher, that is directly handle the new DRM.

To solver this issue, The Epubor team also presents a new solution named Epubor KCR Converter. It is now the only solution that works on Mac OS 10.15 Catalina and don’t require you to downgrading your Kindle app. I which I think it’s the easiest way to remove Kindle DRM for now.

Epubor KCR Converter, as the name suggest, it helps extract kindle books from kindle cloud reader to pdf, EPUB and mobi.

You can first watch a video guide here.

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Step 1. Visit Amazon Kindle Cloud Reader (https://read.amazon.com/) on Google Chrome Browser or Microsoft Edge browser. Sign in with your Amazon account.

Kindle Cloud Reader US: read.amazon.com
Kindle Cloud Reader JP: read.amazon.co.jp
Kindle Cloud Reader UK: read.amazon.co.uk
Kindle Cloud Reader Canada: read.amazon.ca

Step 2 In the Kindle Cloud Reader library, click the book cover of a book to open the book and read it.

Start reading the book and and drag the book progress bar (at the bottom). In few seconds, the book will start to download and it will show you the downloading progress in the bottom. Do not exit the current page until the book downloaded 100%.

If your ebook have been downloaded successfully, when you right click on the book cover, it will show you options like “Open Book” and “Remove Book”.

Downgrade Kindle Fire Os

Download and run Epubor KCR Converter.

KCR Converter is a paid software, but you can download it for a free trial, which can help you convert 3 Kindle Cloud Reader books for free.

Price: $14.99 for Windows, $14.99 for Mac
Free Trial Limitation: Decrypt three complete Kindle books.
Suitable Crowd: Use Chrome and edge and be able to download & pin book in Kindle Cloud Reader.

Start KCR Converter. All Kindle books downloaded completely will appear on the main interface of KCR Converter automatically.

Choose the books you want to convert by check the checkbox on the left of each book, choose epub or other ebook format and click “Convert to …” button to start the conversion.

Step 3. The program will start to convert the KFX books. Once finished, the folder which stores the converted ebooks will pop up immediately.

Note: If you download any new ebooks with Kindle Cloud Reader, you then need to relaunch Epubor KCR Converter to detect and load the new book.

Conclusion

The three methods listed above are tried and true, and each has its own advantages. You can do a comparison between them and choose one that suits you best.

If you need a totally free way to convert KFX to PDF, you can just go with Calibre with DeDRM and KFX input plugin. Though, it’s a little difficult to handle for some people.

If you are on Mac OS Catalina, or you have Kindle v1.27 or higher version and you don’t want to downgrading the Kindle desktop app. you have to use Epubor KCR Converter.

If you need to Convert KFX and you also want a way that can help you remove DRM from Kindle, Adobe, Google Play books, Overdrive books, Nook, Kobo, you can use Epubor Ultimate.

What is KFX? Kindle KFX Wiki

So what is kfx? Is it really a book? Released in 2015, Kindle KFX files is the successor of KF8(AZW3). it’s extension is kfx. It comes with enhanced capabilities such as multi-page thumbnails, contents auto-adjustment around images and videos, and it is introduced to take advantage of Bookerly font so as to improve text justification and automatically adjusts word spacing for a more adaptable page layout. It also introduces a new image format called JXR.
below is the image that you can see what exactly is KFX and Bookerly.

KFX is not really a book, In fact, like ACSM, it’s only a downloader, For users that has poor network, the “.kfx” file will downloads the basic version of the book, that is the book with low image resolution. If the network is good, it will download all element of the book in good quality. Below is one KFX book downloaded via Kindle Paperwhite.

Note: To ensure the successful DRM removal and format conversion, please don’t relocate the path that stores the KFX files. You must keep the entire KFX files that make up the eBook intact. Any file or subfolder is missing will lead to failure of DRM removal or format conversion.

More information about the KFX file format
Developer: Amazon
File extension .kfx
Associated programs
Amazon Kindle (Windows, Mac, Android & iOS)
Calibre (Windows, Mac & Linux)

Kindle For Mac Downgrade Mac

Which format gives the best quality for converting KFX

Downgrade Kindle Fire Firmware

KFX is built on ePUB 3, but with a Kindle proprietary wrapper that may contain DRM protection. So converting from KFX and removing KFX drm actually converts from KFX to EPUB, the reading experience should be comparable.

Kindle For Mac Downgrade Windows 7

For archival of books, then AZW3 is the ideal format. as it is more future-proof than other ebook files.