"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?"
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.
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.
The issue may result from minor issues or serious physical damage on the device, including:
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 - Deep Data Recovery will help you recover data from the problematic device.
Step 1. Select file types and click "Next" to start
Step 2. Choose and scan the external hard drive
Step 3. Check the scan results
Step 4. Preview and recover data
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:
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:
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:
If you don't consider yourself a pro-computer user and you're not familiar with command-lines, don't worry. There are graphical-based solutions to help you remove write-protection from your hard drives, USB drives, and even SD cards.
Qiling CleanGenius is one of these tools that helps you fix aforementioned issues on your drives without knowing a thing about command-line.
Here's an easy-to-follow guide on how to use this tool to get your issues sorted:
Step 1: DOWNLOAD and install Qiling CleanGenius (free) on your computer.
Step 2: Run Qiling CleanGenius on your PC, select Optimization and choose the Write Protection mode.
Step 3: Select the device that is write-protected and click Disable to remove the protection.
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.
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 - Qiling 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:
list disk
select disk X
create partition primary
select partition 1
active
format fs=fat32 quick
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.
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."
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.
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.
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.
"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.