Learn How to Restore Lost Partition on USB Flash Drive in Windows

Recovering data or flash drive repair

It's not the same, although the concepts are quite related.

The main task of a repairing process is to fix the performance of a flash drive so it can:

  • be recognized as a storage drive in Disk Management,
  • be correctly recognized in Explorer,
  • be available for reading data writing.

As a result of repairing a pen drive you can easily lose all the data stored on it, even though you will still be able to read it and write data on it.

File recovery is possible only on a working flash stick.

Summary

In case of a problem occurring, it's important to determine its symptoms and causes. This will help you to make the right decision and also it will save your time and nerves. Some people don't mind trying all the possible methods of repairing a pen stick and for some it might be easier to buy a new one and forget about it. In any case, we've given you all possible ways to repair a USB flash drive.

If the described above methods aren't helpful and your flash stick still doesn't want to work, we suggesting going through other sections of our website: there is a plenty of other useful guides on repairing a USB flash drives and recovering a SD card. You're also welcome to ask questions via the feedback form and we will do our best to answer them.

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Part 2: Recover Data from a Corrputed Flash Drive

While fixing your corrupted flash drive, you might get into the trouble of data loss even though you don't format the flash drive. To avoid losing data, it is advisable to retrieve data from your corrupted flash drive before fixing it. But the question arises, how to recover files from corrupted flash drive? You might need a professional third-party data recovery software. I strongly recommend iMyFone AnyRecover here, for it can recover files without losing any data.

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How to Recover Data from a Corrupted Flash Drive with iMyFone AnyRecover?

Step 1: Select the Location

Firstly, open the AnyRecover software and select the External Device that you want to recover data from. Click on the Start button.

Step 2: Scan the Location

At that point, the AnyRecover instantly starts the process of scanning. It takes a while for this process to complete.

Step 3: Preview and Recover

The AnyRecover displays the lost data after the scanning process. You can click to preview before recovery. Once you are sure about your files, select the Recovery button.

3 Ways to Fix the Flash Drive Not Recognized Problem on Mac

Like in Windows, your resolution method will be determined by the root cause of the problem. These are the three ways that you can do to fix flash drive not Recognized issue.

Way 1: Manually Connect the Flash Drive

  1. Go to Application and click on Utilities.

 A pop-up window will appear and click on the high

  1. A pop-up window will appear and click on the highlighted commands as marked in the image below:

 Under Devices, click External Devices to manually

  1. Under Devices, click External Devices to manually connect the unrecognizable flash drive.

Way 2: Retune PRAM

  1. Shut down your Mac.
  2. Press the Power button and subsequently hold down the Command-Option-P-R This should be done before the grey screen appears.

 Your Mac should reboot itself. Let it go after th

  1. Your Mac should reboot itself. Let it go after the start-up chime.

Way 3: Format Mac’s Drive

  1. Press the Command-Spacebar buttons simultaneously, plug in the flash drive and go to the Application Click on the Disk Utility option.

 You will be able to find the flash drives that ne

  1. You will be able to find the flash drives that need to be fixed in the left panel.

 Click on the Erase button to complete the process

  1. Click on the Erase button to complete the process.

What’s Next?

Now that the flash drive not Recognized problem is solved on your Windows or Mac computer, make sure you had back-up all important documents in the flash drive. This is to ensure that you will be able to access the files stored in the flash drive should it happens again.

You should also check if there is any accidental data loss from the drive. Should you find things missing, use a flash drive data recovery tool to help you recover loss documents do this immediately before it is overwritten by new data.

How To Fix Corrupted Flash Drive Using CMD (Command Prompt)

The CMD command is also known as the command prompt is one of the high-rated and successful solutions to repair corrupted, not working, damaged, or unrecognized flash drives, pen drives, SD cards, or hard drive. It can also be used to repair corrupted external hard drive, SSD, or HDD with ease.

Note: The solution works great on Windows 10/8/8.1/7 computers.

Below, follow the steps:

Step 1: Connect the corrupted flash drive (pen drive, memory stick, SD card or external hard drive) to your Windows computer.

Step 2: Click START and type CMD in the search bar and hit ENTER to open the command prompt. Alternatively, you can also open the command prompt by pressing Windows Key + R followed by typing CMD in the RUN box that pops up.

Step 3: Now in the command prompt box, type the following commands:

  • Type diskpart and hit ENTER button. After this type list disk and hit ENTER button.

Step 4: Next, type select disk followed by the number of your disk and press ENTER button. After your disk gets selected, type clean and press ENTER button.

Step 5: Next type create partition primary and hit ENTER.

Step 6: After this type active and press ENTER followed by select partition 1.

Step 7: Finally, in the last step type the following command format fs=fat32 and hit ENTER button.

A screenshot of the process is given below.

After the completion of the process, you should fi

After the completion of the process, you should find your USB drive working as good as new.

Alternatively, there is another step to fix/repair corrupted USB flash drive using CHKDSK command.

You May Also Like: [Best Guide] How To Fix USB Flash Drive No Media Error In 10 Easy Ways

Easily recover lost partition on USB drive via AOMEI Partition Assistant

Supposing that we have G drive but delete it accidentally, now let’s learn how to recover it.

Note: You can download its demo version to have a try at first.

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Step 1. Install and start this software. Click “Partition Recovery Wizard” on the left side. Select Disk 2 in the given list.

Step 2. Choose a search method and it is recommended to select the first one. If it fails, choose the second one.

Step3. Select the partition you want to recover from following list box and click “Proceed” to start recovering.

Step4. The time this process takes depending on how much data is on the partition. You’ll see following window once it completes.

Step6. If it is recovered successfully, Windows will pops up a mini AutoPlay window and gives you option to view files. Then you can view them in Windows Explorer and take them to safe place.

Tips:

1. If you cannot view files in Windows Explorer, give it a drive letter and try again.

2. You can double click the partition in Step3 to check files and confirm whether the partition is the one you want to recover.

3. You can select more than one partition by ticking in the box which lies in front of each partition information and recover them all in one time.

4. This feature could only support recovering lost/deleted partitions. If you want to recover files from formatted, corrupted partition, you need to use data backup software.

What does your site do for my search of How To Find A Lost Flash Drive?

That when users search for How To Find A Lost Flash Drive means they need help. Then, we will support them by giving advice and tips by articles. There may be one or various solutions, so the best one is up to the choice and demand of each.

Case 1. The USB Device Can Be Recognized

If your USB can still be detected or recognized by your computer, you can try to fix the logical error by using the native Windows tool, CMD, or third-party fixing tool. Then you will be able to access your USB.

Method 1. Repair USB Errors with a Manual Repair Service

Here comes a reliable and powerful USB repair service that helps you to repair corrupted SanDisk, Kingston, Sony, Seagate, or Western Digital USB flash drives with ease.

EaseUS Disk Repair and Recovery Services

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Consult with EaseUS data recovery experts for one-on-one manual recovery service. We could offer the following services after a FREE diagnosis. Fix HDD, SSD, external hard drive, USB flash drive errors, and restore data from all RAID levels Recover lost partition that cannot be restored by data recovery software Fix disks that cannot be read or accessed because of bad sectors Fix disks that become GPT protected partitions Wipe data, unformat hard drive, Install/uninstall software or driver, etc.

Method 2. Windows Utility – Check and Fix the Error on the Damaged USB

If your flash drive is not physically broken, your computer should recognize it and assign it a drive letter. In this case, follow the methods below to check and fix the logical errors on your USB. These methods shouldn’t cause any data loss.

Step 1. Connect the USB to your PC

Step 2. Go to My Computer/This PC and then the USB Drive.

Step 3. Right-click the USB drive and select Properties.

Step 4. Click on the Tools tab.

Step 5. Click the Check button.

Step 6: Let the scan process complete, then close

Step 6: Let the scan process complete, then close the scan window. 

Step 7: Right-click the icon of the USB flash drive on the desktop and click “Eject”. Then remove the drive from the USB port.

Method 3. CHKDSK CMD – Fix Corrupted File System Error on USB

This is essentially the same process as above, but this will provide you with more feedback in the end that will help you determine whether the problem has been fixed or not.

Warning
Running chkdsk can hopefully fix the file system errors, however, it can also result in total data loss. So, perform data recovery in advance, and then continue with the CMD method.

Step 1: Plug in your USB flash drive or pen drive to your computer.

Step 2: Go to the Start menu and type cmd in the search box. You’ll see Command Prompt in the search results.

Step 3: Right-click Command Prompt and select Run as administrator. Then, type chkdsk /X /f G: (replacing G with your USB’s drive letter) in the Command Prompt window and hit Enter. The chkdsk operation will start to repair the damaged USB drive.

This command makes Windows check and fix the file

This command makes Windows check and fix the file system on the flash drive. If the repair process works properly, it will show Windows has made corrections to the file system in the command window. This suggests that the corrupted USB pen drive has been successfully fixed and can be accessed again.

Method 4. Third-party Fixing Tool – Repair Corrupted File System Error on USB

EaseUS CleanGenius is a user-friendly computer fixing tool that is both safe and lightweight. It’s a perfect alternative to CHKDSK command. Use this one-click tool to fix the damaged file system easily.

Step 1. DOWNLOAD EaseUS CleanGenius on your computer and complete the installation.

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Step 2. Run the software. Click “Optimization”, and then choose “File Showing” . 

Step 3. Select the drive with a corrupted file sys

Step 3. Select the drive with a corrupted file system. Tick the “Check and fix file system error” option and click “Execute”.

Step 4. Wait the tool performs the repairing task.

Step 4. Wait the tool performs the repairing task. After that, click the “here” button to check the drive.

Summary

Summary

That’s all about how to fix a corrupted flash drive without formatting it. You can pick one of the above solutions to fix it and then back up your files with a free backup software – AOMEI Backupper to protect it. 

To protect unlimited PC and Servers, you could use AOMEI Backupper Technician Plus, which even enables you to create a portable version on removable device. With it, you can perform backup and restore on any target machine without installing.

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