Free Disk Repair Mac

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. Restart your Mac and press Command + R during the reboot until the Mac boots into recovery mode. Click Disk Utilities (Utilities) Disk. Download and install Recoverit hard drive recovery software on your computer, follow the next steps to get your data back. Select the corrupted disk. To recover hard disk files, you can start Recoverit Data Recovery on your computer. Then select a hard disk to scan your lost data, and click the 'Start' button to move on.

FonePaw - Solution - - [Free] USB Repair Tool - Repair Flash Drive and Recover Data

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

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.

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:

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.

Recover deleted data from PC/Mac, USB, and other removable drives!

This article covers the top five completely free data recovery software for Mac, which varies in features, functions, and performance. However, they all have one thing in common: they are free.

Compare the five tools carefully, and select the one that fits your needs best.

PAGE CONTENT:

1. EaseUS Data Recovery Wizard for Mac Free
2. Disk Drill
3. PhotoRec
4. TestDisk
5. Exif Untrasher
3-Step Tutorial of Free Mac Data Recovery

Top 5 Completely Free Data Recovery Software for Mac

When you get data loss on your Mac due to accidental deletion, partition/hard drive formatting, system crash, macOS upgrade, file system or hard drive corruption, stay calm and pick up one of the recommended data recovery software below for help.

1. EaseUS Data Recovery Wizard for Mac Free

EaseUS Data Recovery Wizard for Mac Free is one of the free top and handy Mac data recovery software that enables you to recover data from the emptied trash bin, Mac notebooks, desktops, hard drives, USB drives, SD cards, memory cards, digital cameras, etc. It works on internal APFS/HFS+/HFS X drives, and FAT/FAT32/exFAT/NTFS file systems used in USB flash drives and external hard drives connected to Mac.

Highlighted Features:

# 1. All-in-one data recovery software

EaseUS Data Recovery Wizard for Mac Free is fully compatible with the latest macOS 11.0 (Big Sur), 10.15(Catalina), 10.14 (Mojave) and all the former versions. It enables all Mac users to perform a full recovery of lost valuable data in only 3 steps: Scan > Preview > Recover.

# 2. HFS+ Fusion Drive Recovery

The latest update of EaseUS Mac data recovery software has improved its support of Fusion Drive, which makes it work even better in retrieving files from Mac computers that are installed on fusion drives.

# 3. Encrypted Drive Recovery

Another great update in EaseUS Data Recovery Wizard for Mac is that it supports encrypted drive recovery by offering guidance to assist Mac users in decrypting and unlocking their drives with password.

# 4. Data Protection

Once the data protection feature is enabled, it will automatically back up the deleted files to a safe location. If you unexpectedly delete files and want to recover later, you can quickly restore the lost files from the created backup.

Pros:

Support to restore 200+ file types on Mac, including recovering lost Word/Excel/PPT documents, photos, videos, music files, emails, archived files, and more.
Quick Scan + Deep Scan technology greatly enhances recovery probability.
Real-time Preview allows you to preview found files while scanning and before proceeding with data recovery.
No quality-loss recovery brings your lost photos, videos perfectly back in its best performance.

Cons:

The completely free version is limited to a maximum of 2GB data recovery. (The outstanding Windows data recovery free version also provides 2GB free file recovery.)

2. Disk Drill

Disk Drill is a popular Mac data recovery application developed to recover lost partitions or files from Mac internal and external hard drives. Also, the Recovery Vault and Guaranteed Recovery options in the free trial version support to monitor the file deletion activity and retain metadata so as to quickly undelete files.

Highlighted Features:

# 1. Undelete Protected Data (Not Available in Free Version)

Being similar to the Data Protection feature in EaseUS Data Recovery Wizard for Mac, Disk Drill also contains an undelete protected data feature that requires Recovery Vault and Guaranteed Recovery features to be enabled in advance.

With these two features enabled, Mac users could quickly undelete files from a Trash Bin reference or shadow copy of each file to a user-specified folder.

# 2. Allocate Existing Files

When Finder fails to read data, Disk Utility reports the drive as unformatted, Disk Drill can scan the partition and retrieve data from Mac.

Pros:

Compatible with all the Mac OS X and macOS systems.
Recover 200+ file types.
It is packed with free and useful disk tools for all users.
An intuitive user interface to recover lost files effortlessly.

Cons:

The free version only allows a preview of data recovery.
Recovery Vault and Guaranteed Recovery are not available in the free version.

3. PhotoRec

PhotoRec is a free, open-source program that works very well in data recovery on older operating systems like OS X, Linux, Free BSD, Net BSD, Open BSD, and Windows.

It allows users to restore most common files, like photos, audios, documents, ZIP archives, and others from internal or external devices, such as digital cameras, memory cards, USB flash drives and partitions/hard disks.

Highlighted Features:

# 1. Advanced File Carving

PhotoRec first searches for the data block or cluster size. The program will quickly load value from superblock like ext2/ext3/ext4 or volume boot record like FAT/NTFS if the file system is not corrupted. When the file system corrupted, PhotoRec will check the device at a sector level, using the first 10 found files to calculate the block or cluster size so as to locate and find more lost files.

# 2. Block or Cluster Level Recovery

This program will read the Mac device block by block, cluster by cluster, checking against different file signatures so as to recuperate available files.

Pros:

Support data recovery cross-platforms, Mac OS X, Windows, Linux, etc.
100% open-source program, not only the software but also the source code.
Nice tool to recover personal files.

Cons:

Not very user-friendly for ordinary computer users.
Technical skills required. It uses command lines to operate.

4. TestDisk

TestDisk, like PhotoRec, it's also an open-source, freeware product that allows for multiple file types recovery.

It mainly focuses on partition recovery. It enables users to find deleted or lost partitions by fixing the partition tables due to software crash, virus attack, mistaken formatting, etc.

Highlighted Features:

# 1. Partition Recovery

When a partition lost or disappeared on Mac due to corrupted partition tables, Mac users can apply TestDisk to rebuild and repair the corrupted partition table.

# 2. Rebuild Boot Sectors

When the Mac bootable drive fails to boot, it corrects problems in bootable drives that are failing to boot.

Pros:

Completely free and open.
Runs on several operating systems, including macOS and Mac OS X versions.
Recover lost partitions and rebuild the partition table.

Cons:

Best Free Mac Disk Repair

Use the command line to make data recovery.
Not user-friendly for regular computer users.

5. Exif Untrasher

Exif Untrasher is another completely free Mac data recovery tool that mainly restores deleted or JPEG files from digital cameras, external drive, USB stick, SD card, etc. You can easily download and install this software on your Mac running Mac OS X 10.10 and all the later versions.

Highlighted Features:

# 1. Highly Efficient in JEPG Recovery

Exif Untrasher is a tool that mainly designed to locate photos in JEPG formats on any kind of storage device like SD card, CF card, memory stick or Mac hard disk.

External storage device needs to be mounted as a volume on Mac for the utility to access and attempt a restore.

Pros:

Simple and quick to recover lost images from the memory card.
Free with no quantity limits.
It is updated by the developer regularly.

Cons:

It only works for JEGP file recovery. It doesn't support extra file formats.

3-Step Tutorial of Free Mac Data Recovery

To help more Mac users to bring their lost files are soon as possible, we are here to show you a 3-step tutorial of free Mac data recovery. If you are eager to bring your lost files back on Mac or external storage devices, apply the brief and innovative EaseUS Data Recovery Wizard for Mac Free for help.

Remember to connect your USB, SD card, or external hard drive to Mac computer if your lost data were saved on it.

Step 1. Select the disk location (it can be an internal HDD/SSD or a removable storage device) where you lost data and files. Click the 'Scan' button.

Step 2. EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results on the left pane.

Step 3. In the scan results, select the file(s) and click the 'Recover' button to have them back.

Conclusion

On this page, you are presented with the top 5 completely free Mac data recovery software - EaseUS Data Recovery Wizard for Mac Free, Disk Drill, PhotoRec, TestDisk, Exif Untrasher. When you are facing unexpected data loss on Mac, the programs demonstrated above can help you recover lost files effectively.

What's more, if your lost data is less than 2GB, EaseUS Data Recovery Wizard for Mac Free is highly recommended as it provides the most user-friendly interface and most powerful data recovery function.

If you simply want to restore JEGP images, Exif Untrasher is worth to try.

Free Disk Repair Mac

Before USB Repair: USB Data Recovery

Step 1. Run Broken USB Data Recovery Tool

Step 2. Recognize the USB Flash Drive

Step 3. Restore Data from Corrupted USB Drive

Step 4. Save USB Data to Computer

USB Drive Repair Tool: Windows Disk Error Checking

USB Repair Tool on Windows

USB Repair Tool on Mac

USB Drive Repair Tool: CHKDSK Utility

Understand the CHKDSK commands

Frequently Asked Questions of USB drive

Why is the USB drive corrupted?

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

How do you fix an unrecognized USB flash drive?

Top 5 Completely Free Data Recovery Software for Mac

1. EaseUS Data Recovery Wizard for Mac Free

2. Disk Drill

3. PhotoRec

4. TestDisk

Best Free Mac Disk Repair

5. Exif Untrasher

3-Step Tutorial of Free Mac Data Recovery

Conclusion

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