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USB flash drives can become corrupt or damaged for a variety of reasons. Luckily you can fix your USB for free. Windows chkdsk and Windows disk error checking are able to repair errors on your disk from the command line. Afterward, with EaseUS data recovery software, you can get your data back from a failed pen drive without losing files.

The Problem: Corrupted USB Flash Drive Repair Overview

USB flash drives, pen drives, thumb drives can easily get corrupted or result in device failure due to a virus attack, file system corruption, hardware malfunction, improper shutdown, and more.

When it happens, you have to repair the corrupted USB flash drive or pen drive to make the device work normally again. However, the method to repair a corrupted USB flash drive or pen drive is often a headache for users who don't want to lose data on their device. If the data is not of consequence, formatting the device will usually be a sufficient fix.

Fortunately, via the combination of a built-in Windows disk/USB repair tool and a third-party USB flash/pen drive data recovery software, you can repair a failed pen drive for free and recover all lost data.

The Tools: Download Free USB Repair Tool & Data Recovery Software

When you search 'USB flash repair software' or 'pen drive repair software' on Google, a massive number of hard drive repair tools advertise to repair pen drives and recover data. But few of them work as well as they advertise.

Most software can only scan or find some existing data on the corrupted device. To fully resolve the USB corrupt error, you'll need more than just third-party repair software.

Corrupted USB Repair Tools: No matter how your USB flash drive or pen drive became corrupted or failed, USB repair software combining with data recovery software will help.

# First: Use the Windows disk check tool to repair the device.

• CHKDSK command line and Windows disk error checking can work for repairing a corrupted storage device.

# Next: Download powerful data recovery software to get all of your data back.

• EaseUS Data Recovery Wizard can restore all lost files from corrupted USB or pen drive in 3 steps.

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The Procedure: Repair a Corrupted/Failed USB without Data Loss

Before you start, check if your corrupted USB or pen drive can be detected by Windows PC:

• If yes, move on and repair it immediately.
• If not, you can refer to USB not showing up or USB not recognized to find more solutions.

The first step is to check the disk and repair its errors. Afterward, use data recovery software to recover any missing or inaccessible data.

1. Run USB Repair Tool - CHKDSK Utility to Fix Corrupted USB or Pen Drive

To repair the USB drive, we will use the CHKDSK utility within the Command Prompt. There is also an alternative that does not use the command line that is shown below.

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Step 1. Insert the corrupted USB or pen drive to the USB port on your PC.

Step 2. Go to the search bar and type: cmd, hit Enter.

Step 3. Click cmd.exe and open Command Prompt as Administrator. (Sign in as Administrator with your account if the program asks for permission).

Step 4. Enter: chkdsk j: /f /x< /p>

• Replace j: with the drive letter of your USB drive.

CHKDSK Alternative - Repair Corrupted File System on USB Flash Drive

If you don't have any technical know-how and want to minimize data risks, using third-party software could be a better choice. The Command line is suitable for computer professionals since wrong commands can cause severe problems. Therefore, we strongly recommend you try an automatic command line alternative.

EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to CHKDSK command. Use this one-click tool to solve your computer issues.

To fix file system error or disk error:

Step 1: DOWNLOAD EaseUS Tools M for Free and install it.

Step 2: Open the software and select the 'File showing' option.

Step 3: Choose the drive and wait for repairing. After the operation completes, click the 'View' button to check the drive.

CHKDSK Alternative - Check Disk with USB Flash Drive Error Checking

You may also do this same task using the Error-checking in the device properties menu. It can be more intuitive if you are not very comfortable with the command-line syntax. For Windows 10:

Step 1. Insert the corrupted USB to your PC via the USB port.

• Go to File Explorer > This PC.

Step 2. Right-click on the USB device, select Properties.

Step 3. Go to Tools, click the Check button under Error checking.

Step 4. Select Scan and repair drive.

Step 5. Continue to follow the wizard interface, it will prompt you to automatically fix disk errors if any error is detected.

2. Recover Data After Repairing Corrupted USB Flash Drive/Pen Drive

EaseUS file recovery software - Data Recovery Wizard is 100% secure. With this software, you can get everything back with no limitation.

It supports USB pen drive, flash drive, or other removable storage devices of all major brands such as Sony, Transcend, SanDisk, Kingston, Apacer, Panasonic, PQI, Toshiba, Super Flash, and Ridata.

EaseUS Data Recovery Wizard is incredibly simple to use. The steps to recover data from a USB drive are as follows:

Step 1. Run USB data recovery software.

Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.

Step 2. Scan all lost files from USB.

EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.

Step 3. Restore all lost files from USB.

A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.

To thoroughly repair your USB and be sure that it is in perfect working condition after fixing it, you can back up the data to your computer, reform the device, and restore it.

Conclusion

For software or driver issues, you can scan and repair a flash drive using your computer's built-in repair utility. If you lost data after USB corruption, you could use EaseUS data recovery software. This data recovery software can easily retrieve lost files from corrupted flash drive, SD card, hard drive, and external hard drive. Download EaseUS USB data recovery software and get back data with ease.

USB Flash Drive Repair Frequently Asked Questions

You have learned about the best USB repair tool to fix a corrupted or damaged USB drive. And always keep your data safe before repairing the USB drive. However, not all of the USB repair tools and solutions are reliable. If you still have problems, read the following questions and answers.

Can you fix the corrupted USB drive?

Yes. You can fix a corrupted USB using CHKDSK. Here are the steps:

Step 1. Plugin your USB flash drive or pen drive to your computer.

Step 2. Go to the start menu, type in 'cmd' in the search bar, hit enter, and then see something named 'cmd. exe' in a list of programs.

Step 3. Right-click 'cmd. exe', run as administrator, and type 'chkdsk /X /f G:' or 'chkdsk G: /f' (replace G: with the drive letter corresponding to your USB drive). The chkdsk operation will then start to repair the damaged USB drive.

How do you fix an unrecognized USB flash drive?

There are several ways to fix an unrecognized USB drive. Here are the methods:

1. 1. Recover files and format RAW USB
2. 2. Update unallocated USB drivers and create a new volume
3. 3. Change the USB drive letter
4. 4. Check USB port, change the USB connection
5. 5. If none of the above fixes work, take USB to a local device repair center for manual repair

Why is the USB drive corrupted?

The USB storage media is prone to be corrupted/damaged due to the following reasons:

• Virus attack
• Abrupt removal
• Sudden power outage and more

Why can't I see my USB drive in Windows 10?

If there is something wrong with your USB driver, the USB flash drive will not appear in Windows 10 File Explorer and may show up as unallocated space under Disk Management.