How to Fix an Unformattable Hard Drive

Written by ts jordan
  • Share
  • Tweet
  • Share
  • Email

Formatting a drive is the process of deleting all information contained on the volume. A drive is "unformattable" when it is the active drive containing the operating system files, as modern operating systems will not provide you with the option to self-terminate while active. Circumvent these restrictions and reenable the ability to format your volume by accomplishing the procedure through DOS.

Skill level:
Moderately Easy

Other People Are Reading

Things you need

  • DOS boot disk

Show MoreHide


  1. 1

    Insert the DOS boot disk into your optical disc drive. Click the "Start" button and select "Restart."

  2. 2

    Press any key when prompted to boot into DOS.

  3. 3

    Type "Format x:" and replace "x" with the letter of the hard drive you wish to format.

  4. 4

    Press "Enter" and "Y" to confirm, formatting the hard drive.

Tips and warnings

  • Formatting a hard drive removes all information from the drive, including the operating system. Create backups of all important files and programs before formatting the hard drive. If you wish to continue using the computer, install a new operating system to the hard drive.

Don't Miss

  • All types
  • Articles
  • Slideshows
  • Videos
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the site, you consent to the use of cookies. For more information, please see our Cookie policy.