8 Fixes for 'Invalid media or Track 0 bad - disk unusable'

Jean updated on Oct 13, 2020 to Data Recovery Resouce | How-to Articles

'Invalid media or track 0 bad - disk unusable' always occurs when you try to format an external hard drive, memory card, or USB flash drive in CMD. If you are troubled by the very same issue, don't worry. We will show you the causes and all workable fixes for the issue. If you need to, you can use EaseUS Data Recovery Wizard to recover data from your disk reports error.

Error "Invalid media or Track 0 bad - disk unusable"

"Hi, my SanDisk flash drive went bad. While trying to format the card, Windows prompted the first error message saying the format did not complete successfully. When I continued the process, I got another error message saying 'Invalid media or Track 0 bad - disk unusable'. How can I deal with it?"

invalid media or track 0 bad - disk unusable

As a matter of fact, if "invalid media or track 0 bad - disk unusable" error occurs to SD card, USB flash drive, HDD and other disks after format failed, it means that the position of track 0 is bad. If there is bad track, you can't open your SD card, USB drive or other drives.

What Is Track 0

A track on a disk drive is a circular path on the surface of a disk on which information is recorded and from which recorded information is read. Track 0 is located at the very start of a disk and is used to save information about the layout of the disk. Generally, Track 0 consists of the first 64 sectors of the disk (as you may know, the first sector of Track 0 is MBR - Master Boot Record). If Track 0 goes bad, you can't open the USB drive or memory card normally. Luckily, receiving the error doesn't necessarily mean the Track 0 is bad. You may get the error due to other reasons.

What Causes "Invalid media or Track 0 bad"

The issue may result from minor issues or serious physical damage on the device, including:

  • Connection issues
  • Bad sectors on the external hard drive, USB flash drive, or memory card
  • MBR missing or corrupted
  • Hardware issues

Before the Fix: Recover Data from the External Storage Device

Before introducing the fixes, you may be concerned with the files existing on the hard drive. Can you recover data from memory card which reports 'Track 0 bad' error? If Windows can still recognize and detect the disk properly, you can grab the last chance to rescue files on the memory card or other devices with the error message "Invalid media or Track 0 bad - disk unusable". The free data recovery software - EaseUS Data Recovery Wizard will help you recover data from the problematic device.

Your Reliable Choice - EaseUS Data Recovery Wizard

  • Recover deleted, formatted, and inaccessible data in different data loss situations.
  • Recover photos, audio, music, and emails from any storage effectively, safely and completely.
  • Recover data from the recycle bin, hard drive, memory card, flash drive, digital camera, and camcorder.

8 Fixes for "Invalid media or track 0 bad - disk unusable"

In addition to the corresponding solutions based on the possible causes, there are other potential fixes for the error "Invalid media or track 0 bad - disk unusable. Format failed." Quickly get the full solutions to invalid media or track 0 bad:

Fix 1. Check USB Connection

Minor connection issues can also result in serious errors like clicking hard drive, disk structure corrupted and unreadable, and the one in discussion "Invalid media or track 0 bad - disk unusable." Thus, never mind checking the USB connection first. You can:

  • Change the USB port/cable
  • Connect your external hard drive or other storage devices to another computer and check whether the problem remains
  • Connect your USB drives to the rear port which provides a more stable power supply compared to the front ones

Fix 2. Disable Write Protection

The read-only attribute can also result in the error in CMD. Another issue caused by write protection on the hard drive is "Windows cannot run disk checking on this volume because it is write-protected."

To remove write protection:

Step 1. Run "Command Prompt" as an administrator.

Step 2. Enter diskpart and click "Yes" in the prompt asking for permission.

Step 3. Enter the following command in order:

Click to copy

If you are not professional in computing management and not familiar with command lines, don't worry. EaseUS R&D team has promoted a fresh kit for helping you resolve the write-protection issue on your hard drive, external hard drive, USB or SD card, etc., devices.

EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to the command line. 

Use this one-click tool to solve the write-protection issues on your own:

Step 1: DOWNLOAD and install EaseUS Tools M for free.

Step 2: Run EaseUS Tools M on your PC, choose the "Write Protection" mode.

Step 3: Select the device which is now "Write-Protected" and click "Disable" to remove the protection.

Remove Write Protection from storage devices.

Fix 3. Format the Drive to Another File System

Formatting the drive to an improper file system may be the culprit of the error "Invalid media or track 0 bad - disk unusable." Generally, three file systems, including FAT32, NTFS, exFAT, are available in Windows. When you receive the notification, try to format your drive to another file system instead of the one that reports the error.

Fix 4. Use Diskpart or Third-Party Software to Format the Drive

When you encounter the error, you are probably using the format command like "format e: /fs=ntfs". When this way fails to work, you can try to format your drive using diskpart command or third-party software like free partition manager - EaseUS Partition Master.

To format your drive using diskpart:

Step 1. Run "Command Prompt" as an administrator.

Step 2. Enter diskpart and click "Yes" in the prompt asking for permission.

Step 3. Enter the following command in order:

Click to copy

Note: "fs" means the file system you want to assign to the partition, be it FAT32, NTFS or exFAT. "quick" indicates "quick format".

Using third-party software to format your drive is much easier than using diskpart. Not convinced? Read the article about how to format hard drive in Windows 10.

Fix 5. Rebuild MBR

As mentioned above, MBR is a part of Track 0. When MBR on your disk is missing or corrupted, your device will go wrong definitely. Thus, it's worth trying to rebuild MBR to fix the error "Invalid media or track 0 bad - disk unusable."

Fix 6. Remark Track 0

If the error occurs due to truly Track 0 error on your external hard drive, USB flash drive, or memory card, you can remark Track 0 to solve to problem. To get things done, you need the help of a third-party tool, called PC Tools 9.0. 

Step 1. Boot your system into DOS environment from bootable CD/DVD disc and put another disc that has PC Tools 9.0 within.

Step 2. To repair the bad track, you're going to use the tool's DE.EXE command. In order to edit Track 0, disable or remove the read-only mode under "Configuration".

Step 3. Navigate to "Select" > "Drive Type" > "Physical" > "Hard disk" and press "Enter".

Step 4. Now, the Partition Table appears, find "Beginning Cylinder", where track 0 starts. Put the mouse point there, and modify the number '0' to '1'. Ensure track 1 is not bad. Press "Enter".

Step 5. Click "Save" to save the changes you've made and exit.

Step 6. Restart PC and then format the hard disk of which the track 0 was bad.

Fix 7. Repair Bad Sectors

Track 0 consists of the first 64 sectors on the disk. When one of them goes bad, you are likely to get the error message "Invalid media or track 0 bad - disk unusable" when you try to format the drive. Therefore, try to repair bad sectors on your drive to remove the error.

Fix 8. Send for Repair

If none of the fixes above works, your last choice is to send your external storage device for repair to ask help from specialists. Hardware issues like physical damage cannot be solved using the methods above, only manual repair may be useful in such a situation.

The Bottom Line

"Invalid media or track 0 bad - disk unusable" is one of the common errors bothering Windows users. To fix the error which you receive while formatting a drive, there are eight possible ways for you to apply. Hope one of them could help you out of the problem perfectly. If your external hard drive, USB flash drive or memory card is beyond repair, get it replaced if it's under warranty or switch to a new one directly.

Was This Page Helpful?


Frequently Asked Questions

1. Why choose EaseUS Data Recovery Wizard?

"EaseUS Data Recovery Wizard is the best we've seen. It's far from perfect, partly because today's advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past, but it's fast and efficient..."PCMag

"The first thing you'll notice about EaseUS Data Recovery Wizard Pro is that its interface is very clear and uncluttered, with only a small collection of self-explanatory controls. You won't find lots of extra options hidden in a system of hidden menus, either; what you see really is what you get."techradar

"Recover lost files, even after deleting a partition or formatting your drive."Macworld

2. Why cannot I recover 2GB data for free?

It is recommended to check the version installed is Free or Trial because they are different versions.

Trial has data preview function but cannot save any files, while the Free version enables to recover 2 GB files. The default free space is 500 MB and you may share the product on social media to get another 1.5 GB.

3. Why cannot the recovered files be opened?

A file is saved as 2 parts on the storage device: directory info (which is comprised by file name, time stamp and size info, etc.) and data content.

If the files with original file names and folder structures cannot be opened, one possible reason is the corrupted directory info. There is still a chance to recover the data content with the RAW Recovery method in our software.

4. Why isn't it suggested to recover the files back to the original drive?

The storage structure of the lost files would be altered or damaged by any changes on the drive. If you save the recovered files back to the same drive, the original data structures and data content would be corrupted or overwritten, which causes permanent data loss. So you should prepare another disk to save the files.

5. How can I check whether my data is recoverable or not before purchase?

The Free version helps you save 2GB files, so verify the recovery quality of our product before purchase.

6. How long does it take to scan the drive?

It strongly depends on the capacity of your hard drive and the performance of your computer. As reference,most drive recoveries can be completed in around 10 to 12 hours for a 1-TB healthy hard drive in general conditions.

About Data Recovery Wizard

It's super easy to recover 250+ types of files after deletion, disk formatting and virus infection. Click the links and compare the difference of each version.