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Home»Hardware»Storage»How to Reset a USB Drive on Windows and Mac

How to Reset a USB Drive on Windows and Mac

Anup ThapaBy Anup ThapaDecember 17, 2022
how-to-reset-a-usb-drive

If your USB isn’t working or is not storing data properly, it’s possible that your file system and partition tables are corrupt. This problem is easily resolved by resetting your USB drive.

Resetting your USB drive will revert the bootable USB to its default state. To reset your USB, you need to use native utilities like Disk Management (Windows) and Disk Utility (Mac).

The easiest way to reset a USB Drive on Windows is with file explorer. But if that doesn’t work or if you want an alternative method, you can use Disk Management or CMD.

Table of Contents

  • Format via File Explorer
  • Format via Disk Management
  • Use diskpart Command in CMD
  • How to Reset a USB Drive on Mac
    • Disk Utility
    • Reset via Terminal

Format via File Explorer

  1. Press Windows + E to launch Windows Explorer.
  2. From the left pane, right-click your USB drive and press Format.
    format-usb-file-explorer
  3. Optional: Uncheck Quick Format to do a Full format instead. This scans for bad sectors but takes a lot longer to complete.
  4. Select the File System and Press OK.
    format-usb-quick-format

Format via Disk Management

  1. Press Windows + R to launch Run.
  2. Type diskmgmt.msc to open Disk Management.
  3. Right-click your USB drive and press Format.
    format-usb-disk-management
  4. Optional: Uncheck Perform a Quick Format to do a Full format instead. This scans for bad sectors but takes a lot longer to complete.
  5. Select the file system and Press OK.
    format-usb-diskmgmt

Use diskpart Command in CMD

  1. Press Windows + R to launch Run.
  2. Type and Enter cmd to launch Command Prompt.
  3. Then, Type diskpart and press Enter. Accept the prompt as well.
  4. Type and Enter list disk.
  5. Check the Size section, then note your USB’s Disk #. Replace # with your USB’s disk number in the next step.
    Make sure you get this right as you could easily format the wrong drive.
  6. Type select Disk # and press Enter.
  7. Now, type the following commands and press Enter after each one. Change fat32 to your preferred file system if necessary.
    clean 
    create partition primary
    format fs=fat32 quick

    Disk-part-list-format
  8. Once you receive the completion message, type assign letter = k and press Enter. You can replace k with something else if you want to change the drive letter.
  9. Finally, type exit and press Enter.

How to Reset a USB Drive on Mac

USB drives on mac can be reset using a GUI approach and also via the terminal. Sometimes, due to permission or file system issues, we cannot perform the task using the GUI approach.

Here is how you can reset a USB disk on Mac using both approaches.

Note: Make sure to connect the USB disk to the computer before you begin.

Disk Utility

  1. Press Command + Shift + U to open the Utilities folder.
  2. Launch Disk Utility.
  3. Select the USB storage device from the left pane.
  4. Now, Press the Erase button at the top.
  5. Set the Drive’s Name.
  6. Select GUID Partition Map as the scheme.
  7. Choose the preferred file system from the drop-down menu for Format.
  8. Click on Erase.
    Erase-Disk-via-Disk-Utility

Reset via Terminal

We recommend resetting your USB Drive via the Disk Utility if possible. If you mess up in the terminal, you can easily format the wrong drive and lose valuable data.

Method 1

  1. Press Command + Shift + U to open the Utilities Folder.
  2. Open the Terminal.
  3. Type diskutil list and press Enter.
  4. Note your USB’s Mount Point. Replace /dev/disk1 with your USB’s Mount Point in the steps below.
    diskutil-list-mac-partitions
  5. Type diskutil unmountDisk /dev/disk1 and press Enter.
  6. Type sudo fdisk -iy /dev/disk1 and press Enter.
    fdisk-format-usb-mac

Method 2

  1. Press Command + Space to open Spotlight search.
  2. Type terminal and press Enter.
  3. In the terminal, type diskutil list and press Enter to list all the connected drives to your Mac.
  4. Note your USB’s Mount Point. Replace /dev/disk1 with your USB’s Mount Point in the next step.
  5. Type sudo diskutil eraseDisk FAT32 MBRFormat /dev/disk1 and press Enter. This will format your USB Drive to the FAT32 file system.
    diskutil-erasedisk-format-usb-mac
how-to
Anup Thapa
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Anup Thapa is a tech writer at TechNewsToday. He mostly writes informative articles, tutorials, and troubleshooting guides related to Windows systems, networking, and computer hardware. Anup has been writing professionally for almost 5 years, and tinkering with PCs for much longer. His love for all things tech started when he got his first PC over 15 years ago. It was a Pentium IV system running Windows XP on a single 256 MB stick. He spent his formative years glued to this PC, troubleshooting any hardware or software problems he encountered by himself. Professionally, Anup has had brief forays into a variety of fields like coding, hardware installation, writing, etc. In doing so, he's worked with people of different backgrounds and skill levels, from average joes to industry leaders and experts. This has given him not just a versatile skillset, but also a unique perspective for writing that enables him to concisely communicate complex information and solve his reader's problems efficiently. You can contact him at anup@technewstoday.com

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