How to fix USB flash drive with low-level format

By braniac

When an USB flash drive goes wrong in a way that you could not format or access it with your window explorer, you have to recover it with low level format tool.Common Causes are: 1. fake flash drive2. flash drive removal without using "safely remove hardware"3. Unplug flash drive while file writing to itCommon errors are:1. "unable to access"2. "track 0 error"3. "write protection"4. "Size is 0 byte"The method is applicable to pen drive or any kind of flash memory - SDHC, microSD, CF and etc.

Things You'll Need

  • internet access
  • basic computer skill

Step 1

Download and Install Low Level Format Tool (LLF)

Step 2

Insert Your USB Flash Drive and Start LLF ProgramYou will see your USB flash drive is showed inside the program window.Click on your USB flash drive and then click continue.

Step 3

Formatting Your Flash DriveClick on "Low-Level Format" in TabYou data will be erased and irreversible.If you want to recover your data, please check my another article.It will take roughly 15 min on 4GB or longer on bigger flash drive size.

Step 4

Verify Your USB Flash DriveClick on window explorer and check your new formatted flash drive.

Tips & Warnings

  • Check out my article on how to back up data
  • Check out my article on how to test fake flash drive
  • Backup your data before perform low-level format