All these factors can lead to corruption on USB flash drives. To resolve this issue and learn how to fix an unreadable USB flash drive on a Mac, there are three solutions available. Refer to the chart below and proceed to the appropriate tutorial to repair your USB flash drive on a Mac:

Recover Data from Damaged USB on Mac Using Software

Before proceeding with fixing corrupted USBs on your Mac, the first step you should take is to rescue data from the corrupted USB drive. There's a possibility of losing data during the process of fixing the USB on your Mac, so it's crucial to also recover data from flash drives on a Mac. Which program should you opt for and download? We highly recommend using tools Data Recovery Wizard for Mac to recover data from corrupted USBs on your Mac.

You have ample reasons to choose this professional and user-friendly tool to rescue data from your corrupted USB flash drive on your Mac:

You will learn how to recover data from a corrupted USB on a Mac using the Data Recovery Wizard for Mac tool in just three simple steps:

Step 1. Connect your USB drive to your Mac

Connect your USB flash drive correctly to your Mac. Launch the Data Recovery Wizard for Mac. Begin by selecting the flash drive and click "Search for lost files" to initiate the software's scanning process for lost files on the drive.

Important: Before data recovery, it's recommended to create a backup of the USB drive by clicking "Disk Backup" on the left sidebar to prevent further data loss. After backing up the USB drive, the software can restore data from the USB backup, and then you can safely remove the USB flash drive and use it again.

Select your USB drive and search for lost files

Step 2. Recover Lost Data from the USB Drive

After the scan, all the files will be displayed in the left panel under the scan results.

Locate lost data on USB with the filter feature

Step 3. Recover Data from Flash Drive

Choose the files you wish to recover and click the "Recover" button. Avoid saving the recovered files back to the USB drive to prevent data overwrite.

recover flash drive data

If your USB flash drive is physically damaged, you should seek local repair services to fix the USB drive. However, if you're dealing with corruption due to virus attacks, disk errors, or other non-physical damage on a Mac, we can provide three methods to resolve the issue.

Method 1: Fix Corrupted USB on Mac by Updating the USB Driver

When you encounter issues with your USB not appearing or becoming corrupted on your Mac, the first step is to check for software updates. We'll guide you on how to update the USB driver or macOS on your Mac to resolve corrupted USB problems.

Step 1. Open the Apple menu and click "System Preferences" on your Mac.

open the system preferences menu

Step 2. Under the "System Preferences" menu, choose "Software Update".

Step 3. Click "Update Now" or "Upgrade Now" to finish updating to the latest macOS version on your Mac.

Update the USB driver

Method 2: Use First Aid to Repair a Corrupted USB on Mac

First Aid is a valuable feature within Disk Utility on Mac, designed to assist Mac users in repairing damaged hard drives on their Macs as well as corrupted USB drives. Let's explore how to rectify corrupted USB drives using the First Aid tool in Disk Utility.

Step 1. Click the link to learn how to boot your Mac into Disk Utility. Then, open the Finder and locate Disk Utility in the "Utilities" folder.

Step 2. Select "View" and then click "Show All Devices." This will display all storage devices and the startup disk.

Select the corrupted USB flash drive

Step 3. Select your corrupted USB flash drive and click "First Aid."

Step 4. Click "Run" to repair the corrupted USB on your Mac.

Step 5. Wait for the repair process to finish, then tap "Done".

Repair corrupted USB on Mac with First Aid

Method 3: Format and Repair Corrupted USB on Mac using Disk Utility

If First Aid is unable to repair your corrupted USB flash drive, you can attempt to format it to resolve the issue. Make sure to backup your USB drive first, or utilize tools like Data Recovery Wizard to recover any lost data post-formatting. To format your USB on a Mac using Disk Utility, follow this guide to find out how:

Step 1. Connect the target USB drive to your Mac.

Step 2. Open or boot into Disk Utility on your Mac.

Step 3. Select the corrupted USB flash drive and click "Erase" to format it.

Format the corrupted USB on Mac

A USB flash drive is typically employed for data storage and serves as a portable storage device. It enables users to transfer data between various Mac devices and can also function as a bootable installer, allowing users to create a bootable USB for MacOS Ventura. Occasionally, USB drives may become corrupted due to improper usage or unforeseen incidents.

    • Eject your USB flash drive improperly.
    • Sudden power outage while using the USB flash drive.
    • Incorrectly format the USB flash drive on a Mac.
    • Malware or computer virus infection.
    • Physical damage to the USB flash drive.

Conclusion

The key to repairing a corrupted USB on a Mac without losing data lies in using the software Data Recovery Wizard for Mac. Even after formatting the corrupted USB on a Mac, this powerful data recovery tool enables you to retrieve the data from your USB drive. Download Data Recovery Wizard for Mac to safeguard against data loss on your Mac.

"FAQs: Repairing Corrupted USB on Mac"

You can learn more about repairing a corrupted USB on a Mac through the following questions and answers:

How to format a USB flash drive to FAT32 on a Mac?

There are two secure ways to format a USB flash drive to FAT32 on a Mac:

    1. Format the USB drive on Mac using Disk Utility 2. Format USB flash drive on Mac via Terminal

How to retrieve data from a corrupted USB drive on a Mac?

You can recover data from a corrupted USB on a Mac using reliable USB recovery software, such as tools Data Recovery Wizard for Mac. The process to save your data from a corrupted USB involves just three simple steps:

    1. Launch the software and scan your USB flash drive. 2. Filter the files and select the ones you wish to recover. 3. Preview and retrieve the data from the corrupted USB flash drive.

"Why is my USB drive corrupted or unreadable?"

There can be numerous reasons behind a corrupted or unreadable USB drive, such as:

    1. Eject your USB flash drive improperly.
    2. Sudden power outage while using the USB flash drive.
    3. Incorrectly format the USB flash drive on a Mac.
    4. Malware or computer virus infection.
    5. Physical damage to the USB flash drive.

< strong > Can I fix a corrupted USB flash drive on a Mac? < /strong >

Yes, you can fix a corrupted hard drive on a Mac using three methods:

    1. 1. Update the USB driver on your Mac.
    2. 2. Use First Aid to fix the USB.
    3. 3. Format the damaged USB using Disk Utility.