Pen drives are portable Universal Serial Bus flash memory device, which can be used for saving and transferring (copying or moving) different types of files from one location to another. Since pen drives are very small in size, you can easily carry pen drive wherever you go. Pen drives are also called by different names such as jump drive, flash drive, and thumb drive. Usually, pen drives are loaded with FAT file system so that they can be flawlessly used over different operating systems. Besides helping users to transfer files from one stored location to another, it can also be used for performing some complex tasks such as reinstallation of the new operating system.

Although we can make use of files on pen drive multiple numbers of times, files saved over it get missing or inaccessible due to variety of reasons. As the files get missing from pen drive consumers get panicked and remorse on such occurrence. In such situation you need to make use of some safe and reliable data recovery software. One of such application is USB Recovery Tool. This software easily scans pen drive and recovers files from unrecognized pen drive in few simple steps.

Let’s go through some of the reasons for unrecognized pen drive:

Improper Ejection: Pen drive is meant to be used on different computer or laptop. It is always recommended to remove connected or attached pen drive from system by using Eject option. If you fail or avoid this procedure then it can result in file system corruption. As the file system gets corrupted you may receive different error messages every time you try accessing files from pen drive. In this kind of data loss scenario, you need to make use of software which can recover files from USB drive without formatting it.

Virus Attack: File system is one of the most crucial parts of any pen drive. If it gets infected by a virus or malware program then there is a possibility that each of the files saved over it may inaccessible or unreachable. In such situation if you wish to use your pen drive any further then you must format it first.

Bad Sectors: Bad sectors are sectors of storage devices which are damaged to such an extent that no files can be used over it in appropriate way. Sometime due to large number of bad sectors, pen drive may get corrupted. After this kind of pen drive corruption, you may get error message which depicts that pen drive is not recognizable.

There are different other scenarios which can cause data loss from pen drive, a few of them are detailed as follows:

Accidental Deletion: Generally you need to delete numerous files from pen drive to make free space over it. But, if you delete files from pen drive without cross-checking them, then you may end up deleting some important files from pen drive.

Unintentional Formatting: Sometimes, we stumble upon format option while trying to do some other task on a pen drive or other storage devices (which is connected to the system). As you apply this option each of the files that are saved over pen drive gets erased with immediate effect.

Other Reasons: There can be few other reasons of file loss from pen drive such as deletion by antivirus, improper usage of pen drive, misconception about pen drive (in respect to Recycle Bin), etc.

File recovery from pen drive is possible because when any file is deleted or lost then only its pointer is erased from file system. Hence, all files (deleted or lost) keep on existing at the saved memory space area as long as they aren’t overwritten by any of the new files. So, if you wish to recover files from unrecognized pen drive then you need to make use of appropriate data recovery software as soon as possible.

The interface of this application ensures that you can recover lost or deleted files from pen drive in a very simplistic way. At each and every step this software guides you in a descriptive way to reclaim each of the files that are unreachable or inaccessible due to pen drive corruption. This software can be easily used to retrieve files from unrecognized pen drive on different Windows and Mac operating systems (such as Windows10, 8.1, 8, Windows XP, Windows 7, Windows Vista, Lion, Mountain Lion, Mavericks, macOS High Sierra etc.).

It can be easily used to recover files from pen drive on basis of file signature. This option helps you to recover specific files in considerably less time span. The files that are listed after completion of the scanning process can be sorted by you in four different ways i.e. file name, file size, file type and creation or modification date of file. Without any problem this software can also be utilized to retrieve files from encrypted USB pen drive of different brands.

Steps to Restore Data from Unrecognized Pen Drive:

Step 1: Download and install the trial version of USB Recovery Tool on your computer and launch its main window and select "Recover Photos" as shown in figure A.

Recover Data from Unrecognized Pen Drive - Main Window

Figure A: Main Window

Step 2: On the next window, you have to choose your unrecognized pen drive from the list of drives as shown in Figure B.

Recover Data from Unrecognized Pen Drive - Select Unrecognized Pen Drive

Figure B: Select Unrecognized Pen Drive

Step 3: After complete scanning process, a list of recovered files will be shown as in Figure C.

Recover Data from Unrecognized Pen Drive - Recovered File List

Figure C: Recovered File List

For Leopard (10.5) and
Snow Leopard (10.6) Users

For Lion (10.7), Mountain Lion (10.8),
Mavericks & Yosemite(10.10) Users