Jul 10, 2017 Right-click in the unallocated space on the initialized disk and select New Simple Volume. Use the wizard to create a partition with the NTFS or FAT32 file system. The drive will now be formatted for use by Windows systems. There will be no space wasted by protected Mac partitions. In the top menu bar, go to View, and choose Show All Devices 3. Select the upper level of the drive you would like to format and click the Erase button 4. May 29, 2020 Occasionally, your Mac has already recognized the USB flash drive but not shown it on the desktop. Thus, you should go to Finder Preferences General and make sure the 'External disks' option is ticked. Then you'll see the USB flash drive showing up on Mac desktop. To reformat your USB, select it and then click the Erase Tab. Here you can set the USB name and the file format (Mac OS Extended (Journal)). When you're ready click 'Erase' button. When Erase is completed, you can safely remove your USB Flash Drive by dragging the 'USB Disk' Icon to the 'Trash'. Oct 08, 2019 Step 1: Connect the USB flash drive to your Mac computer. Step 2: Go to 'Applications', select 'Utilities', Double click and open 'Disk Utility'. And then select your USB flash drive on the left.
WARNING: Formatting will erase all data on the device. Back up all your data before proceeding.
1. Double-click on Macintosh HD - or in the Finder menu clickFile > New Finder Window 2. Click the Applications folder - if using a Finder Window Applicationswill be in the left side menu. 3. Click the Utilities folder. 4. Double-click Disk Utility. 5. On the left side of the window are the drives connected to the computer. Select the capacity of the drive respective to the one containing the device you wish to format then click the Erase tab. Example: If the drive is called 'NO NAME', directly above that, you should see the drive capacity of 'XXXX'. Select this capacity. 6. Verify Volume Format is set to MS-DOS file system or exFAT, Scheme is set to “Master Boot Record” (Do NOT select GUID Partition Map) then click Erase.
Instructions below are for 10.13.x (High Sierra)
1. Open Disk Utility. Please See Answer 20985: How to access Disk Utility macOS 2. In the top menu bar, go to View, and choose Show All Devices
3. Select the upper level of the drive you would like to format and click the Erase button
4. Choose how you would like to format the drive
Enter a Name for your drive
Choose exFAT or MS-DOS (FAT) for the format
Choose Master Boot Record for the Scheme
Click Erase
5. When finished, the drive will be formatted and repartitioned successfully. Click the Done button
NOTE: exFAT is used on SDXC card (64GB and higher).
NOTE: exFAT can be used on flash drives or memory cards to transfer files larger than 4GB.
NOTE: MacOS 10.6.2 or higher is required for exFAT file system. Some older operating systems must have a patch installed before they can use the exFAT file system.
NOTE: If the above steps do NOT resolve the problem or if the lock switch is missing or broken, please back up your data and request a replacement using our online web form. Format thumb drive to mac os extended filesystem.
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USB flash drives are the best means for data storage in comparison with internal hard drives. This portable storage device makes the data transfer process easy and trouble-free. So, computer users often save important files like pictures, videos, documents, etc. in USB drives or use them as a bridge for data transfer need. Ultimately, USB flash drives are considered as secure storage media for sensitive data or files.
However, these USB drives stop working all of a sudden, become unreadable or fail to get recognized if they become corrupted or its file system is damaged. If so, you cannot access the files present in the USB drive. And, typically we format a corrupted or inaccessible USB flash drive in order to make it usable. At the same time, we know that formatting action erases entire files located inside the drive.
So, if you have any important data stored on the USB drive that is not recognized, turn inaccessible or got corrupt then, formatting is not the right solution. Then, how to fix a USB Flash Drive Without Formatting? Well, here is few easy and effective resolution to fix USB flash drive without formatting.
How to Repair a USB Flash Drive Without Formatting?
In case, you have saved any sensitive or important data on the USB drive that is corrupted or turned inaccessible then, it is suggested to restore files from it first and proceed with the troubleshooting techniques mentioned in the Part 2 section of this article.
If you are sure, the corrupt USB drive has no vital files then directly start fixing it by following the methods explained in the Part 2 section.
Part 1: Recover Data from USB Flash Drive
Connect your USB drive to another working computer and try to copy files from it. If the USB drive is not recognized or fails to show up in your computer, then go to Disk Utility (Mac) or Disk Management (Windows) and check the drive is shown up there. If the drive is listed in your system utility, then recover data from it using Remo Recover.
Restore Data from USB Flash Drive
Remo Recover, a data recovery software that allows you to restore deleted, lost, hidden, inaccessible, corrupt or formatted USB flash drive data in just a few and simple steps. Even you can use this tool to restore pictures lost or deleted from pen drive, external hard drives or other USB devices in few steps.
So, follow these step-by-step instructions to recover data from your USB flash drive:
Step 1: Connect USB flash drive to your computer using a USB cable. Download, install and run Remo Recover software. Click the Recover Drives button, next choose the Partition Recovery option.
Step 2: Software scans your system and shows all drives and partitions present in it. Now, choose the USB flash drive from which you want to recover data. If you wish you can also specify file types to recover from it and begin the deep scanning process.
Step 3: The data recovery tool displays all recovered files from the USB flash drive. Preview and Save your restored data from the USB drive in a safe location of your computer HDD.
Part 2: Fix USB Flash Drive Without Formatting
Method 1: Try Other USB Ports
Try connecting your USB flash drive to other USB ports of your computer. And, make sure you have updated device drivers.
Method 2: Enable USB drive
Open Control Panel and select Device Manager
Expand Disk Drives list
Double-click on the arrow of your USB drive and choose Enable Device
Click Next and Finish
Method 3: Change USB Drive letter
Mac Os Usb Flash Drive Cannot Repartition Or Reformat File
Go to Control Panel, select System and Security, then Tools
Click on Computer Management
Right-click on USB flash drive and select Change Drive Letter and Paths
Click on Add button and then OK
Assign a new (available) drive letter to the USB drive and complete the process
Mac Cannot Partition Usb
Method 4: Repair USB Drive
Go to My Computer/This PC
Right-click on the USB flash drive and select Properties
Switch to Tools tab and click the Check (or Check Now) button
Enable Automatically fix file system errors and Scan for and attempt recovery of bad sectors checkboxes
Hit Start and wait till the repair process gets completed.
Method 5: Run CHKDSK Command
Go to Start menu and type cmd in the search tab
You will see the Command Prompt application
Right-click on it and select Run as administrator
Next type chkdsk U: /r and hit Enter key (replace U with your USB drive letter)
Now, Windows will start repairing your corrupt USB flash drive. Wait for a while, until the process is done. After completion, you can use your USB drive without any issues