Software⏱️ 3 min read📅 2026-06-19

How to Fix: USB Format Error

Windows format error fix for USB drive

Quick Answer: Try using the built-in Disk Management tool to reset the disk's master boot record (MBR) and then reformat the drive.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. 🎯 Final Words

The 'USB Format Error' issue is a frustrating problem that affects users of Windows operating systems. It occurs when an attempt is made to format or reformat a USB drive, resulting in the device becoming inaccessible or acting like a CD drive.

This error can be particularly annoying for users who rely on their USB drives for data storage and transfer. In this guide, we will walk you through the steps to troubleshoot and resolve this issue, helping you regain access to your USB drive.

🛑 Root Causes of the Error

  • The primary reason for the 'USB Format Error' is the presence of a corrupted or damaged EFI partition on the USB drive. This can occur when an attempt is made to format the drive without properly removing the existing partitions.
  • Another possible cause is the incorrect installation of drivers for the USB controller, which can lead to conflicts and prevent the drive from being formatted correctly.

✅ Best Solutions to Fix It

Method 1: Disabling and Re-enabling USB Controllers

  1. Step 1: Step 1: Open Device Manager by pressing the Windows key + X and selecting Device Manager.
  2. Step 2: Step 2: In the Device Manager window, expand the 'Storage' section and look for the USB drive. Right-click on the device and select 'Uninstall device'.
  3. Step 3: Step 3: Confirm that you want to uninstall the device by clicking 'Uninstall' in the pop-up window.
  4. Step 4: Step 4: Restart your computer and wait for the USB controller drivers to re-install. This may take a few minutes.
  5. Step 5: Step 5: Reconnect the USB drive and try formatting it again using Disk Management or the Command Prompt.

Method 2: Using the 'FixDisk' Command

  1. Step 1: Step 1: Open the Command Prompt as an administrator by searching for 'cmd' in the Start menu, right-clicking on it, and selecting 'Run as administrator'.
  2. Step 2: Step 2: Type the following command to fix the disk: `fixdisk /V`.
  3. Step 3: Step 3: Press Enter to execute the command. This may take a few minutes to complete.
  4. Step 4: Step 4: Once the command has finished executing, try formatting the USB drive again using Disk Management or the Command Prompt.

🎯 Final Words

By following these steps, you should be able to resolve the 'USB Format Error' issue and regain access to your USB drive. Remember to always backup important data before attempting any file system operations.

Did this fix your problem?

If not, try searching for specific error codes.

🔍 Search Error Database

❓ Frequently Asked Questions

🛠️ Related Fixes

How to Fix: Pc crashes shortly after launching game (rainbow

Fix Pc crashes shortly after launching game (rainbow six siege). Compl

How to Fix: Installing an APK on a locked down phone

Installing an APK on a locked down phone: Try using a rooted device, e

How to Fix: New PC build- no signal and no clue

Fix New PC build- no signal and no clue. Complete troubleshooting guid