
Full Answer
How to fix a corrupted USB flash drive on Mac?
The following steps show you how to fix a corrupted USB flash drive on Mac with Disk Utility. Open Disk Utility and choose View > Show All Devices. Select the USB drive from the sidebar and click the First Aid button.
How to repair a broken disk on a Mac?
Shut down your Mac, then unplug all nonessential devices from your Mac. If you're repairing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good. Then turn the drive off and back on. If your disk still doesn't appear in Disk Utility, your Mac might need service.
How to fix USB drive not recognized on Mac?
Open Disk Utility and choose View > Show All Devices. Select the USB drive from the sidebar and click the First Aid button. Click Run in the First Aid dialog and follow the onscreen instructions. Click Done when the First Aid process finishes. The USB drive should be recognizable by your Mac if Disk Utility is successful.
How to recover deleted files from USB flash drive on Mac?
Connect the USB device to your Mac computer and launch Disk Drill. Select the USB flash drive from the app’s disk list. Click the Search for lost data button to start scanning for deleted files. Preview the recoverable files and select those you want to recover.

How do I fix a corrupted USB drive on a Mac?
Solution 1: Fix a Corrupted USB on a Mac With Disk UtilityOpen Disk Utility and choose View > Show All Devices.Select the USB drive from the sidebar and click the First Aid button.Click Run in the First Aid dialog and follow the onscreen instructions.Click Done when the First Aid process finishes.
How do I restore a USB drive on a Mac?
In the Disk Utility app on your Mac, choose View > Show All Devices. If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon . In the sidebar, select the volume you want to restore, then click the Restore button .
Why is my USB suddenly not readable on Mac?
The most common reason why Mac doesn't read your drive is because the drive is formatted as NTFS. Because macOS doesn't have native read/write support, you'll need to convert NTFS to another compatible format. An even easier way is to install iBoysoft NTFS for Mac, a handy app that makes NTFS drives readable on Mac.
Can a USB flash drive be repaired?
For software or driver issues, you can scan and repair your flash drive using your computer's built-in repair utility. If your drive isn't working because of an improper formatting or corrupted data, you can reformat your drive—but keep in mind that reformatting your USB flash drive will erase all files on it.
How do you fix a USB drive?
1:356:06How to Fix Corrupted USB Flash Drive and Recover Data? - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo let's go through step by step how to scan and fix your corrupted. Usb. Drive using the check areaMoreSo let's go through step by step how to scan and fix your corrupted. Usb. Drive using the check area utility firstly connect your usb drive to the pc. And launch this pc. Now right click the usb.
How do I make my USB readable again?
Another way to make a corrupted or unreadable USB drive work again is to format it:Press Windows + R keys to bring up the Run box. Type: diskmgmt. ... In Disk Management, locate the unreadable flash drive, check its disk information. ... Choose a file system like NTFS, FAT32 or exFAT and the Perform a quick format checkbox.
How can I recover files from a corrupted USB?
How to recover files from a corrupted USB drive using Disk Drill:Start Disk Drill and select the USB drive you want to recover. ... Begin the recovery process by clicking the Search for lost data button. ... Select lost files and click recover them. ... Wait for Disk Drill to display a message when it's the process is complete.More items...•
How do I fix a corrupted flash drive without formatting?
how to fix a corrupted flash drive without formattingStop using the USB drive.Do not add new items to USB stick.Do not reformat the USB flash drive.Open CMD. ... Check if your drive has bad sectors. ... chkdsk H: /f (H is the drive letter of USB drive. ... Type Y if the drive is in use and hit Enter key to proceed.More items...•
How do you find a USB drive on a Mac?
Open Finder and locate and select the flash drive from the Sidebar on the left side of the window. Note that the name of the flash drive may vary. You may also see the flash drive on the desktop. If so, double-click it to open the flash drive in a new Finder window.
How do you access a USB drive on a Mac?
How to Open a Flashdrive on a MacInsert your USB flash drive into your Mac's USB port.Click "Finder" from the Mac's Dock.Click the name of your USB flash drive in the left pane under "Devices." Doing so opens the flash drive and displays its contents in the right pane.
How to repair USB drive on Mac?
Before getting started, we need to rule out the cable and USB port not working issues. Use another device with the cable and port you used with the unreadable USB device. If you find no problem with the cable and port, we can now focus on the drive itself.
Why was my USB drive removed?
The USB flash drive was removed improperly from the computer for reasons like sudden power surge, abrupt removal, and unintentional touch, which leads to file system corruption.
How to check if a USB flash drive is readable?
When your USB flash drive is not readable by your Mac, especially after a recent macOS Big Sur update or you haven't updated the macOS for years, you should check if any updates are available please do the following: 1. Click on the Apple in the upper left corner of the screen. 2. Select "Software Update...". 3.
What is a USB flash drive?
As we all know, USB flash drives are widely used for storing and transferring data from an iMac, MacBook or Mac Mini, though newer MacBook Pro and Air uses no USB 3.0 port.
Why is my MacBook not USB 3.0?
If you use a USB hub bacause your MacBook has no USB 3.0 port, also make sure the hub is not faulty. Try using a different USB cable with the USB drive to see if that fixes the non-readable problem.
Why won't my USB drive open?
Here are some of the common reasons behind this issue: 1 USB flash drive is virus infected 2 A virus or a Trojan may delete critical system elements, thus disabling the OS and making the drive unrecognized. 3 USB flash drive file system corruption 4 The USB flash drive was removed improperly from the computer for reasons like sudden power surge, abrupt removal, and unintentional touch, which leads to file system corruption. 5 Faulty USB port or cable 6 If the USB port or cable of the computer is not working properly, your Mac computer won't recognize or read the flash drive. 7 File system incompatibility 8 The issues between the USB drive file system and macOS, for example, Windows NTFS file system is not completely compatible with macOS. 9 Sometimes, you can't even read files or folders on NTFS USB drives through an Apple M1 Mac. 10 Out-of-date drivers 11 If drivers are out of date, the Mac operating system and your applications on the computer will fail to interact with all hardware devices. So the USB flash drive becomes unreadable. 12 A dead/bricked USB drive after physical damage 13 If your USB drive is seriously broken by hitting, dropping, shaking, etc., there is no USB repair tool or USB flash recovery software for Mac can help you.
Why won't my Mac recognize my flash drive?
If the USB port or cable of the computer is not working properly , your Mac computer won't recognize or read the flash drive.
How to repair a USB flash drive on Mac?
Step 1: Get your disk/ usb flash connected to MAC. Step 2: Start terminal in mac. Step 3: Start disk utility. Step 4: Type ' diskutil list ' . Step 5: Type ' diskutil repairDisk /dev/disk2 ' when disk2 is the one that you need to repair. Step 6: Type 'Y' to confirm the repairing disk on mac with terminal .
Why is USB repair tool needed for Mac?
Macbook and MacPro are welcomed by many users due to its fancy design and there are awckward moment that some users may only have Mac with no Windows computer, so usb drive repair tool for mac is required when their flash drives become corrupted.
What is disk utility?
Disk Utility provides First Aid in the first tab in its main interface to provide storage device repairing that you may get access by the following route to start damaged disk or unreadable disk repairing. Here are the steps to launch Disk Utility in Mac
What is the best program to recover files from a flash drive?
Lazesoft Mac Data Recovery would be a nice choice for recovering files from damaged flash drive on mac since it is a free program that won't ask a pay.
What to do if playback doesn't begin?
If playback doesn't begin shortly, try restarting your device.
How to get into recovery mode on Mac?
Step 1 - Reboot your MAC and press Command + R during the reboot and get into mac recovery mode
Can you repair a flash drive without formatting?
Yes, you may try to repair damaged flash drive by disk utility with its first aid function to get damaged flash drive repaired without formatting.
What to do if USB drive can't be fixed?
In case the USB drive can't be fixed, recover data from the drive by using Stellar Data Recovery Free Edition for Mac and erase the drive with Disk Utility to fix all logical issues. When the drive has physical damage, consult Stellar Data Recovery Services to salvage data from the drive.
Why is my USB drive not working on my Mac?
So, ensure you've installed the latest driver software for your USB drive. For instance, if you're using a WD external USB hard drive, then visit the manufacturer's website for updates.
How to get the P and R keys on a Mac?
a) Start or restart your Mac, then immediately press and hold Command + Option + P + R keys.
How to reset SMC?
b) Press and hold Shift + Control + Option + Power button for a few seconds. The power adapter light will blink or change color, indicating SMC reset.
Why is my USB drive not accessible?
There are two special cases when a USB drive may not be accessible, but not because it was corrupted. It is possible that the drive was not formatted in a disk format compatible with macOS. The two cases are: A new drive. The drive that has been used in Windows or another operating system.
Where is the flash drive on my iPhone?
On the left side of the app, locate the flash drive. Since this is a brand new drive, it won’t have partitions like this:
What is resetting PRAM on Mac?
There is a universal solution for the most problems with any Mac. It’s called resetting PRAM (Parameter RAM). The PRAM contains some initialization parameters related to hardware cached in the special memory. Sometimes, this memory gets corrupted and may cause all kinds of problems with sound, video, and USB devices.
How to get the Apple logo on my Mac?
Then turn it on and immediately hold four keys on the keyboard: Command, Option, P, and R. Release the keys once the Apple logo appears on the screen.
What is the best format for flash drive?
If you are absolutely sure that the flash drive will only be used with Mac computers, and there will never be a need to copy something to and from PC, then the best format is Mac OS Extended Journaled. If you need encryption, then use the encrypted version of the format.
Can a Mac repair shop diagnose disk problems?
But, if you exhausted all DIY methods, it is probably a time to ask help from a specialist. I know a number of Mac repair shops that speciali ze in data recovery. They have a number of expensive tools they can run and diagnose the disk problems.
Is a flash drive formatted?
Most flash drives that you can purchase are preformatted in the Windows format (because there are more PC users than Mac users). In some cases, the drives were not formatted at all.
How to repair an external drive on Mac?
If you're repairing an external drive, make sure that it's connected directly to your Mac using a cable that you know is good . Then turn the drive off and back on. If your disk still doesn't appear in Disk Utility, your Mac might need service. If you need help, please contact Apple Support. Published Date: November 17, 2020.
How to repair a Mac that won't start up?
However, if your Mac doesn't start up all the way, or you want to repair the disk your Mac starts up from, open Disk Utility from macOS Recovery: Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps: Apple silicon : Turn on your Mac and continue to press and hold the power button until you see ...
What to do if your disk doesn't appear on Disk Utility?
If your disk doesn't appear in Disk Utility. If Disk Utility can't see your disk, it also can't see any containers or volumes on that disk. In that case, follow these steps: Shut down your Mac, then unplug all nonessential devices from your Mac. If you're repairing an external drive, make sure that it's connected directly to your Mac using ...
How to repair disk if there is no run button?
If there is no Run button, click the Repair Disk button instead. If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected. If you're asked for a password to unlock the disk, enter your administrator password. After Disk Utility is done checking the volume, select the next item above it in ...
How to open disk utility on Mac?
In general, you can just open Disk Utility from the Utilities folder of your Applications folder. However, if your Mac doesn't start up all the way, or you want to repair the disk your Mac starts up from, open Disk Utility from macOS Recovery: 1 Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:#N#Apple silicon : Turn on your Mac and continue to press and hold the power button until you see the startup options window. Click the gear icon labeled Options, then click Continue.#N#Intel processor: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R. 2 You may be asked to select a user you know the password for. Select the user, then click Next and enter their administrator password. 3 From the utilities window in macOS Recovery, select Disk Utility and click Continue.
How many volumes does an Apple HDD have?
In this example, the startup disk (APPLE HDD) has one container and two volumes (Macintosh HD, Macintosh HD - Data). Your disk might not have a container, and it might have a different number of volumes.
What is the repair order for Macintosh HD?
In this example, the repair order is Macintosh HD - Data, then Macintosh HD, then Container disk3, then APPLE HDD.
