How To Save Your Vital Files From a Corrupted Flash Drive

Wondering how to fix a corrupted flash drive without formatting? We have the perfect guide for you! Read to know more about fixing USB drives with/without software.

Aug 06,2019 • Filed to: USB Recovery • Proven solutions

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Flash disks are best drives that you can store your files. Flash drives are portable and small in size, thus, you can carry them along with you and you can use them anywhere. Flash drives have different capacities that allow you save your data files. However, you can lose the data files when you format the disk or if it gets corrupted. To retrieve important files from a corrupted drive you need to stop using the flash drives because you may overwrite the data. Furthermore look for a data recovery tool that will revive your data safely.

Part 1: Factors that Might Result in Corrupted Flash Drives

Cases of corrupt flash drives are rampant. Flash drives get damaged and here are some of the most common reasons.

1. Virus and Malware Attacks

There are various types of viruses that often attack flash drives and hard drives. They often get on our devices via Internet or corrupted files. When they get into the flash drive they will not physically damage your data, but will damage the content on your flash drive.

2. Unsafe Removal

When using your hard drive ensure that you eject it properly. When you mount it on your computer and you are transferring data make sure that you eject it safely from your computer. On a Mac, click on command +E keys. When you eject the flash drive while transferring data, you will eventually damage the files hence the flash drive gets corrupted.

3. Extreme Temperatures.

Avoid exposing your flash drive to environmental conditions such as heat and cold. It is not only temperatures, but also other factors such as water that can affect the drives. When these environmental factors get in to flash drive, they damage the cell and can lead to data loss.

4. Heavy Usage

This is one thing that you probably never knew about flash drives. When you use them for a long period of time, they are subjected to wear and tear. This long term usage will make your drive loses its retention capacities. This means that it will under perform and you will lose data on it. Using a flash drive often, over a long period of time, can also contribute to this.

5. Physical Damage

We are often careless with our flash drives. We like to toss them into the backpacks or containers without a care in the world. USB drive manufacturers do a good job to building the USB drives in such a way that they can take minor impacts, but the same cannot be said for serious impacts or impacts over a long period of time. It will damage your USB drive.

Part 2: How to Recover Files from Corrupted Flash Drives

The way you handle drives can cause data corruption. Some people carry flash drives in their pockets. You can also drop your flash disk and cause it to physically break. If it does not break, its part may loosen and, hence, cause damage to your flash drive. If you are carrying your flash drive around with you, ensure it has the cap on tight.

Always be careful on how you handle your flash drives. Treat it as a delicate object because it contains your valuable information. If you’re lucky enough that your damaged flash drive is still recognized by your computer, you want to recover files in it. If this is the case, you are in luck with Recoverit data recovery that can be used on all operating systems. Recoveirt Data Recovery Software for Windows and Mac data recovery versions are ready for you to download. It allows you recover files such as videos, audio files, photos, and images from your flash drive, computers, and even memory cards. The beauty of this software is the way it is designed with eight recovery modes which ensure that all lost data is retrieved.

Video: How to Fix a Corrupted Flash Drive and Recover Data Back

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With that said, let's see how to recover corrupted files with Recoverit flash drive recovery software. First, download and launch it on your computer. Then mount your damaged flash drive to the computer.

Step 1 Download and Install Recoverit

Launch Recoverit Flash Drive Data Recovery. Connect the corrupted USB drive to computer.

recover corrupted USB flash drive

Step 2 Start Scanning

Before you start scanning you should identify your drive where you lost you files. Then you need to click "Start" mode.

corrupted flash drive

Step 3 Recover and Save Recovered Files

After the scanning process is complete, you can preview what has been recovered. This works for files and photos. The quality of files recovered is also displayed. Then select all the files that you want and click on "Recover". Choose an external storage device to save your files.

restore files from corrupted flash drive

Part 3: How to Fix a Corrupted Flash Drive without Formatting

Method 1: Try Other USB Ports on Different Computers

If you notice that the USB drive stopped getting recognized by your computer once you plug it in. Then, the problem might not be always with the USB drive. It can be the USB port on your PC.

The best way to find this out is by connecting the USB drive to a different USB port on your computer. if you are accustomed to plugging in the USB drive in the front USB connectors, then try the rear I/O panel. In laptops, just plug the device to another USB port. If the USB drive is still not responding, then try connecting the USB drive to a different computer. Sometimes, USB ports get unresponsive either due to hardware failure or from a corrupt driver software.

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Method 2. Check If There Are Bad Sectors on the Corrupted USB/PenDrive

In USB drives and other storage devices, the data is stored on them in places called sectors. A typical USB drive has a collection of individual sectors, where each sector can store 512 bytes of data. So the number of sectors is based on the storage capacity of the drive.

Also, when these sectors go bad or get corrupted, it results in the device not being able to work properly. So if you find that your USB device has not been up to its same level of performance, do a scan for bad sectors to see if that is the case.

Step 1: Connect the USB device to the computer.

Step 2: Right-click on the USB drive from My Computer and click on Properties.

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Step 3: Navigate to the Tools Tab and click on Check under Error Checking.

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Now the computer will automatically check for bad sectors on the USB device. After the scan is completed it will show you the results. If bad sectors are found on the USB drive, then Windows gives you an option to fix it.

Method 3. Change Drive Letter

Giving a new designation to the USB drive may help it to function properly if it’s been seen buggy at times. The process of changing the drive letter is very easy and straight forward. The following guide helps you to do the same within a few minutes.

Step 1: Connect the USB drive to the computer.

Step 2: Open the Disk Management Tool in windows. You can find in Control Panel.

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Step 3: Out of the listed drives, right-click on the USB drive which you want to change the name

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Step 4: Click on Change Drive Letter and Paths… and give the drive a new name.

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Step 5: Click OK and the name will be saved.

 Changing the letter is a simple way to fix your USB device, however, it does not fix serious issues with the drive if any are present.

Method 4. Reinstall/Update Driver

With every computer, there are two parts – The hardware and the software. The USB device is a hardware and it plugs into the computer. However, the user interacts with the USB device and the contents within it using a software interface, most probably operating systems like Mac or Windows.

Within an operating system, software modules called drivers are responsible for connecting the hardware and software together. When they have trouble working, it affects hardware and software connections. In Windows computers, there are dedicated USB drivers that oversee the USB connection. If your USB devices are not recognized by the device or if you have trouble accessing the USB drive, then most probably, you can rectify it by resealing or updating the drivers.

Step 1: Connect the USB device to the computer.

Step 2: Open Device Manager. You can find the option by pressing Windows key + X or through the control panel.

Step 3: Locate the USB drivers. It will be under the option Universal Serial Bus Controllers. Right-click on the drivers you want to update/Reinstall.

Step 4: Click Update Driver Software… to update the drivers. To reinstall the driver, click on Uninstall device.

reinstall-driver

Step 5: If you have chosen to uninstall the driver, then restart your computer. Windows will automatically install the USB drivers upon startup.

Method 5: Try CHKDSK

CHKDSK is a tool in windows the is used to perform a check Disk function. It is a very powerful tool that can check and repair bad sectors, directory errors, lost clusters, and cross-linked files. You can access CHKDSK from the command prompt window and enter in the right syntax.

We have explained the process in the following guide, you can try it out for yourself. Please do keep in mind the fact that chkdsk scan time depends on the size of the USB storage. Hence, higher storage USB drives are going to take more time.

Step 1: Connect the USB device to the computer.

Step 2: Press Windows key + R to bring up the Run box. Type in cmd and click OK.

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Step 3: In the command prompt box, type in chkdsk h /f where the h must be replaced with the drive letter of the USB drive.

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Now you will see windows working through the USB drive searching and identifying bad sectors. Once found, it also gives you the option to fix it.

Method 6: Use Diskpart

Diskpart is another windows tools that will help you fix USB drive without software. While CHKDSK is used for scanning the disk for errors and bad sectors, Diskpart is aimed at fixing the logical issues with the USB drive in one go.

The process involves using the Diskpart function in windows to completely erase all the data in the USB device, format it and then booting it up again. You can use the Diskpart option right from the command prompt window. The following guide shows you how to fix a corrupted flash drive without formatting using diskpart.

Step 1: Connect the USB drive to the computer.

Step 2: Press Windows key + R to bring up the Run window. Enter the code diskpart.

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Step 3: Now type in the comment list disk to view all the connected drive on the computer.

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Step 4: Type select disk X where you must replace the X with the drive letter.

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Step 5: Type clean and press enter.

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Step 6: Type create part primary and press enter.

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Step 7: Type select partition 1 and press enter.

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Step 8: Type active

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Step 9: Type format FS=NTFS

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Note: FS means File System. Here we are using NTFS, however, you can change it to FAT32 if required. Also, the term quick can be avoided for a deep format, which is more powerful but takes more time.

Step 10: Type assign letter=X where the X can be changed for any other letter. The command is used to assign a drive letter.

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Step 11: Type exit to go out of Diskpart function.

Once you use Diskpart, all the data within your USB drive will be deleted. So make sure that you have copied all the important files out of the drive before using Diskpart.

Method 7: Use Disk Utilities (Mac)

In some cases, a flash drive may fail to appear on your Mac computer. You will need to recover damaged flash drive. On A Mac, go to Finder>Applications> Utilities. From there, click on Disk Utilities. Go to First Aid and Repair disk.

Recover Files from Corrupted Flash Drive

After this, use the Reoverit data recovery software steps discussed above to recover files from USB drive.

Bottom Line:

You have seen how annoying it can be when your flash drive fails you. It is, therefore, important to protect your file from getting corrupt. Here are some basic tips.

  1. Avoid exposing your flash drive to heat, cold or water.
  2. Always ensure that your flash drive is closed well and prevent it from any physical damage.
  3. Always eject your flash derive safely when you mount it on your computer.
  4. Do not use one flash drive continuously over a long period. Try and use different ones.
  5. Install an antivirus program on your device.
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