Drive no longer accessible? Use DiskPart to fix it on Windows 10.

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On Windows 10, when you have external storage (such as a USB flash drive, removable hard drive, or SD card) that stops working as a result of data corruption or another problem, you can use DiskPart to properly erase everything and start fresh with a clean partition.

DiskPart is command tool that has been around even before Windows 10, and it allows you to use Command Prompt to manage drives, partitions, and volumes when other tools like Disk Management and Format won’t work to fix the problem.

In this Windows 10 guide, we’ll walk you through the steps to use the DiskPart command tool to clean and format a hard drive to fix data corruption and other disk problems.

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How to fix hard drive problems with DiskPart

To fix a hard drive with problems with DiskPart commands on Windows 10, use these steps:

Important: These instructions will erase everything on the drive that you’ll select changes can’t be undone. If the drive is still accessible, it’s recommended to backup its data before proceeding. If you have multiple drives connected to your device, it’s recommended to disconnect them to avoid selecting the wrong one.

  1. Open Start.
  2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
  3. Type the following command to launch DiskPart and press Enter:


  4. Type the following command to list all the active drives and press Enter:

    list disk

  5. Type the following command to select the drive that you want to clean and press Enter:

    select disk 0

    Diskpart clean drive command

    Source: Windows Central
    In the command, make sure to replace 0 for the drive number that you want to repair. If you don’t perform this step correctly, you could end up wiping out the wrong drive. Proceed with caution.

  6. Type the following command to wipe out the drive and press Enter:


  7. Type the following command to confirm the drive still selected and press Enter:

    lisk disk

    Quick note: The output should include an asterisk (*) next to the selected drive.

  8. Type the following command to create a new partition and press Enter:

    create partition primary

    Diskpart create primary partition

    Source: Windows Central

  9. Type the following command to select the new primary partition and press Enter:

    select partition 1

  10. Type the following command to make the partition active and press Enter:


  11. Type the following command to format the partition using the NTFS file system, set a drive label, and press Enter:

    format FS=NTFS label=Data quick

    In the command, remember to replace Data for the name of the drive as you want to appear in File Explorer. Also, the quick flag is optional for a faster format, and you should not use it if you’re not sure the drive good to perform a bad sectors. The only downside about omitting the “quick” option is that formatting will take a very long time.

  12. Type the following command to assign a letter and make the drive available in File Explorer and press Enter:

    assign letter=g

    Diskpart format partition on Windows 10

    Source: Windows Central
    In the command, replace g with the drive letter that you want to use, which isn’t currently assigned by another drive.

  13. Type the following command to terminate DiskPart and press Enter:


  14. Type the following command to close Command Prompt and press Enter:


Once you complete the steps, if the drive doesn’t have a hardware issue, it should be available through File Explorer, and you can begin storing files on it.

More Windows 10 resources

For more helpful articles, coverage, and answers to common questions about Windows 10, visit the following resources:

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