Fix Corrupt USB Drive on Mac. Step 1: Once data from the corrupt USB drive is rescued by using the Stellar Data Recovery tool, open Disk Utility to erase the drive with APFS or HSF file system format and resolve drive corruption. Step 2: Select the USB drive from the sidebar and then click the Erase tab. Step 3: On the dialog window, provide a. Mac Free USB Flash Drive Data Recovery. Recover Deleted/Lost Data from Flash Drives and USB Thumb Drives Due to Common Causes of Flash Drive Failure Cases. Recover/restore/retrieve deleted formatted lost missing files folders on Mac. Recover data from your removable storage media lost due to accidental deletion, format, Virus attack, corruption, damaged file system.
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Frequently Asked Questions
- Can I recover data if the drive shows as unmounted?
- The drive cannot be accessed if it's not mounted. Please try to mount it in Disk Utility, then run EaseUS Data Recovery Wizard and scan the disk to recover lost data.
These Free USB Data Recovery programs recover files such as photos, videos, documents, archived files, audio files, and other files in the removable and hard drive. 1# USB Flash Drive Data Recovery. 2# Recoverit (IS) for Mac. 3# IUWeshare Free USB Flash Drive Data Recovery. 4# TogetherShare Data Recovery. 5# Glary Undelete.
- How can I find the lost data from the scan result?
- EaseUS Data Recovery Wizard offers data filtering and search functions. You can filter the files by size and type, or search them by file/folder name or file extension.
- Why cannot I recover 2GB data for free?
- It is recommended to check the version installed is Free or Trial because they are different versions. The Trial has data preview function but cannot save any files, while the Free version enables to recover 2 GB files. The default free space is 500 MB and you may share the product on social media to get another 1.5GB.
- Why cannot the recovered files be opened?
- A file is saved as 2 parts on the storage device: directory information (which contains a file name, timestamp and size info, etc.) and data content. If the files with original file names and folder structures cannot be opened, one possible reason is the corrupted directory information. There is still a chance to recover the data content with the RAW Recovery method in our software.
- How long does it take to scan the drive?
- It strongly depends on the capacity of your hard drive and the performance of your computer. As a reference, hard drive recoveries can be completed in around 10 to 12 hours for a 1-TB healthy hard drive in general conditions.
A USB flash drive repair tool can help you fix corrupted, damaged, and unrecognized USB. This article introduces various USB repair tools, including FonePaw Data Recovery, which can help you recover files from a corrupted flash drive.
You need a USB repair tool when your USB flash drive is corrupted or unrecognized by your computer. Symptoms such as that you can't access data in the drive or you are seeing errors like 'please insert the disk into removable disk', 'you need to format the disk before using it', 'raw drive', 'flash drive not formatted' all indicate that the USB drive is corrupted or damaged. It needs to be repaired.
The most important task in USB drive repairing is to recover data from the corrupted or damaged drive. Therefore, this post will start with a USB drive data recovery tool to extract files from the problematic flash drive, then cover 3 flash drive repair tools to fix your drive back to normal. Here we go.
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Before USB Repair: USB Data Recovery
Some USB flash drive repair tools will format your USB drive (which will erase everything) to fix its software problem. Therefore, if the files in the flash drive matter to you, before applying a USB repair utility to the drive, you may want to recover all your data from the broken drive.
Since you can't access what's inside the pen drive right now, you need to use FonePaw Data Recovery(opens new window), a software utility that can recover files from a corrupted flash drive and save them on a computer. Pictures, videos, documents (.doc, .pdf, .xls, etc.), audio files can all be extracted from the USB drive with FonePaw Data Recovery.
It takes 4 steps to get back files from a USB drive with the FonePaw utility.
Step 1. Run Broken USB Data Recovery Tool
Download FonePaw Data Recovery to your Windows or Mac computer. After installation, launch the utility.
Step 2. Recognize the USB Flash Drive
Plug the corrupted flash drive into your computer. The FonePaw tool will recognize the connected storage device and show it under Removable Device. Tick the checkbox before the USB drive and tick the types of files to recover. Click Scan.
Step 3. Restore Data from Corrupted USB Drive
The utility will scan the corrupted USB drive to restore data from it. If your needed files can't be found after a quick scan, click Deep Scan to get more files detected from the flash drive.
Step 4. Save USB Data to Computer
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The files from USB drive will be organized in different categories. Select the files and click Recover to save them on your computer. With all your data back to your computer, you can use a flash drive repair utility to fix the corrupted USB drive.
USB Drive Repair Tool: Windows Disk Error Checking
The first tool you can use to repair a USB flash drive is the built-in disk repair tool in Windows and Mac computers.
USB Repair Tool on Windows
To use Windows' built-in USB repair software, follow these 5 steps.
Step 1. Plug the USB drive into your computer.
Step 2. Find the USB drive in File Explorer, right-click on it and select Properties.
Step 3. Under the Tools tab, click Check in Error Checking section.
Step 4. A new pop-up window appears. Click Scan and repair drive.
Step 5. The tool will scan the USB drive and repair USB drive errors if it can find any.
USB Repair Tool on Mac
First Aid on recovery mode can serve as a computer flash drive repair tool on Mac.
Step 1. Restart your Mac and press Command + R during the reboot until the Mac boots into recovery mode.
Step 2. Click Disk Utilities (Utilities) > Disk Utility.
Step 3. Select the connected USB drive under External and click First Aid to run it.
Step 4. Wait until the repair to complete. Click Done.
USB Drive Repair Tool: CHKDSK Utility
CHKDSK, short for check disk, is a Windows utility that can be used to check and fix errors on a drive. Therefore, you can use the utility to repair a corrupted USB drive.
Step 1. Open Command Prompt on Windows XP, Vista, 7, 8, 10. You can find it from Start menu and search 'cmd' in the search bar.
Step 2. Remember the drive letter of the corrupted USB drive.
Step 3. Enter chkdsk f: /f /r /x. F is the USB drive letter on my computer. Replace f with the drive letter of yours.
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Understand the CHKDSK commands
/f: fix errors in the USB drive.
/x: Dismount the USB drive.
/r: Locate bad sector on the flash drive and recover data from it.
If the USB repair tools fail to fix the corrupted USB drive, you will need to format the USB drive(opens new window) to get the problem fixed. Before formatting the drive, try FonePaw Data Recovery(opens new window) to extract your data from the damaged USB drive and then get the corrupted flash drive fixed.
Frequently Asked Questions of USB drive
Why is the USB drive corrupted?
Your USB drive may be corrupted for the following reasons:
Virus attack;
Power outrages;
Sudden Remove from the computer
Why can't I see my USB drive in Windows 10?
If you cannot see your USB in Windows 10 File Explorer, your USB is very likely to be broken. Your USB drive may show up as unallocated space under Disk Management.
How do you fix an unrecognized USB flash drive?
Here are some methods to fix an unrecognized USB flash drive:
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Update unallocated USB drivers and create a new volume;
Change the USB drive letter;
Change the USB connection;
Take your USB to a device repair center for manual repair.