[Solved] How to Fix a Corrupted Flash Drive Without Formatting

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Most of the time I am stuck in the formatting process and unconditionally think that how to fix a corrupted flash drive without formatting? How can I restore all my data? Meanwhile, my USB always pops up a message that represents the corrupted or unreadable file, like a "not accessible file".

Afraid of losing important data, sometimes I can’t format the USB flash drive. How can I fix a corrupted flash drive without formatting or recover data from it? I researched hard to find the best solution and here I'll introduce some of them. You can choose the best one based on your own situation.

Part 1: Fix a Corrupted Flash Drive Without Formatting

USB flash drive is the portable device that seems the easiest and most relaxed way to transfer the data from one sort to another. Often, USB flash drive is trusted to secure the sensitive data, but sometimes, the drive also shows issues. Therefore, when it corrupts, how to fix a corrupted flash drive without formatting? Here I am listing some solutions:

1. Check Utility

For a pen drive not physically broken, able to be recognized and assigned a letter by your computer, this is the easiest method to fix it. Theoretically speaking, the provided method won't cause data loss.

Step 1. Connect the USB drive to your computer.

Step 2. Locate the mouse icon on This PC/My Computer, click it.

Step 3. Right click The USB Drive and open its Properties.

Step 4. Click on the Tools tab, then click the Check button.

Step 5. Then your computer will automatically attempt recovery of bad sectors.

Step 6. Back to desktop, right click the pen drive icon and click Eject, finally remove the drive from the USB port.

drive check

2. Enable, Updated and Uninstall USB Drive

If your pen drive is disabled, it may become malfunctioning. how to fix a corrupted flash drive without formatting? Here is the solution:

Step 1: Open the search bar and type "Device Manager" and click on the Enter tab.

Step 2: Expand the disk drives and right click on the pen drive you want to fix. After that select on the Enable button.

enable usb drive

Please pay attention, the outdated drive might cause flash drive unable to work properly. If this situation happens, it is better to consider Update Driver Software. Either you choose Uninstall, after that unplug the USB drive and replug it, then the computer will reinstall the latest driver automatically.

update disk driver

3. Use CMD Commands

Whenever the drive gets damaged or corrupted, it always refuses to open. If you don’t want to lose your important data at the time of formatting the USB, the best way is to use the CMD command.

Step 1. Plug in the drive to your computer.

Step 2. In the search bar, type “CMD” and press Enter.

Step 3. Type "chkdsk USB drive letter: /f" or "chkdsk /X /f USB drive letter", replace "USB drive letter" with the drive letter of your corrupted flash drive.

Step 4. This operation will make Windows recover file system errrors automatically, so there is no further action required.

using cmd to fix a corrupted flash drive

4. Change the Drive Letter of the USB Drive

Sometimes, your computer can’t assign the drive letter just because of unknown reasons. To solve this situation, it is better to assign again the drive letter manually.

Step 1. Connect the USB drive to your computer.

Step 2. Locate the mouse icon on This PC/My Computer, right click it, then select the manage option to open Computer Management.

Step 3. Opt for Disk Management under Storage.

Step 4. Right click the disk volume and choose Change Drive Letter and Paths.

Step 5. Hit the Change button.

Step 6. Assign the available drive letter from the Drop-down list.

assign a new drive letter

Hope your corrupted flash drive can be fixed if the issue is related to assigning a drive letter.

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.

AnyRecover deleted file recovery tool

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Features of iMyFone AnyRecover

  • Easy to Use: Restore the lost, corrupted, deleted or formatted files in a few clicks. No hidden technicals required!

  • Widely Applicable: Recover all the media (office documents, photos, audios, videos or emails, etc.) from any storage (SD card, flash drive, hard drive, digital camera, etc.).

  • High Security: Retrieve your lost files without overwriting your original data. No virus infection or malware attack!

  • Free Trial Version Available: Unlimited free preview as well as free recovery for 3 files without size limits!

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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.

select location external device

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.

scan external device

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.

preview and recovery

Part 3: Reasons That Cause Flash Drive Corruption

Sometimes, the USB flash drive is not working properly, then you instantly think about how to fix a corrupted flash drive without formatting. It is better to understand properly the main causes, so you will save yourself from facing this issue. Here I am explaining some reasons that corrupt the flash drive:

  • Sudden power failure when making operations.

  • Abrupt removal at the time of the reading and writing process.

  • Accidental or improper formatting.

  • The error of the internal file system.

  • The problem of the bad sector in the flash drive.

  • Conflict in the drive letter.

  • Issue of damaged partition.

  • Attack of viruses on the partition table.

Conclusion

Hopefully you have solved your issue such as how to fix a corrupted flash drive without formatting, with the help of the above-listed solutions. If your USB flash drive is corrupted and you are worried because of important photos, audios or videos stored on it, always consider the recovery software - iMyFone AnyRecover. I personally use this software to avoid losing my important files.

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By Alva Doris , to External Device Recovery

Updated: Apr 21, 2021

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