Major signs when SD card gets corrupted
In the paperless era, the SD card has become a popular storage media for individuals
to store data. However, they are easy to get damaged due to sudden removal during
files transferring, incorrect formatting operations, bad sectors, virus attack, and
some other unknown reasons.
In general, your SD card is bound to get corrupt or damaged if you find the below
signs on Windows computer:
> A black screen pops out when you try to access it, along with an error message
“SD card is not accessible. The file or
directory is corrupted and unreadable.”
> You can see the contents on your SD card, but cannot make any changes like
adding, deleting, copying or saving data on it since the disk is write protected
(also called read only).
> When you attempt to read the SD cardoncomputer, it does not open and shows
error messages “Read / Write error on SD card”.
> Your SD card is recognized by your computer, but you couldn't access
stored files,and receivean error message “SD card is not formatted. Do you want to
format it now?”.
> The SD card shows 0
bytes used space and 0 bytes free space in Properties.
Quick fixes for SD card corruption
Before proceeding to how to format corrupted SD card, you can try some quick fixes
first to check if SD card can be back into healthy condition: run Chkdsk command to
check and fix bad sectors, assign a new drive letter to an unreadable SD card,
reinstall the driver, or remove write
protection on SD card.
How to format corrupted SD card in Windows 10?
If such quick fixes do not work at all, the last method is to format the corrupted SD
card. If there are something important stored within it, please first recover them
using a data recovery program like Recoverit Pro. That’s because formatting
process will delete all data from the SD card.
Usually, you can format a SD card via Disk Management and File Explorer. But for a
corrupted SD card, there are chances that you will fail in those traditional
formatting methods. No need to worry since there are another two methods you can
Method 1. Forcefully format corrupted SD card with Command Prompt
Step 1. Connect the corrupted SD card to your computer. Click “Start” button and
input “cmd” in the “Search” box, right click “Command Prompt” and select “Run as
Step 2. In the CMD window, type “diskpart” and press Enter.
Step 3. Type “list disk” and press Enter. You will see a list of all storage devices
connected to yoru computer.
Step 4. Type “select disk ” and press
Enter. (Here we select disk 1 as an example).
Warning: Make sure you enter the right number or you will format the
wrong disk and lose data.
Step 5. Type “clean” and press Enter.
Step 6. Type “create partition primary” and press Enter.
Step 7. Type “format fs=ntfs quick” and press Enter.
Method 2. Powerful software to format corrupted SD card(Recommended)
Diskpart is a great tool to manage disk partitions, but it comes with some
limitations. For example, it cannot format SD card larger than 32GB to FAT32 and
reports an error: the
volume is too big for FAT32. So you need a more powerful software like AOMEI
Partition Assistant Standard. This freeware allows you to format large SD
card or other hard drives to FAT32 easily. Furthermore, it can format
write-protected, RAW drives to a compatible file system in Windows 10/8/7/XP/Vista.
To format corrupted SD card:
Step 1. Download, install and open AOMEI Partition
Assistant Standard on your Windows computer. Right click the damaged SD card and
select “Format Partition”.
Step 2. Choose a proper file system for your requirements (ex: FAT32) and hit on
Step 3. Click “Apply” and then “Proceed” to commit the pending operation.
Summing it up
This is all about how to format corrupted SD card with Command Prompt and AOMEI
Partition Assistant Standard. If upgrade AOMEI Partition Assistant Standard to Pro edition, you can manage your
disk more flexibly. For example, you will be able to convert
dynamic disk to basic without losing data, convert system disk from MBR to
GPT and vice versa while keeping data safe, and more.