How to Check SD Card for Errors | How to Check SD Card Health

Roxanne updated on Sep 18, 2020 to Partition Manager | How-to Articles

How to check SD card for errors

"I have a microSD in my Samsung phone, and it somehow got corrupted. My phone says that I need to scan the SD card to check  SD card health and fix errors. But I am not sure how to do this. Can anyone help?"

Check SD card health overview 

The longer you use an SD card, the higher the possibility that errors, bad sectors, or corruptions occur on the device. It will finally cause errors like memory card not formatted, SD card not recognized, SD card read and write error, SD card is damaged try reformatting it, blank SD card, unable to format SD card, SD card data not showing or become shortcuts, SD card shows 0 bytes, memory card locked, SD card is not accessible the volume does not contain a recognized file system, etc..

If you are caught in one of these issues, you need to scan and check SD card for errors to fix the card and make it work properly. You can check SD card health both on your Android phone and PC. Here we mainly focus on how to do SD card health check because your PC works better in repairing damaged SD card.

Check and repair SD card for errors in Windows

1. Open Windows Explorer, right-click your SD card, go to Properties -->Tools --> Check now.
2. Check both "Automatically fix file system errors" and "Scan for and attempt recovery of bad sectors".
3. Press the Start button to let the Check Disk to scan the SD card and correct any errors it finds. 

Check and repair SD card for errors in Windows

Windows built-in SD card tester can quickly check SD card for errors, and it works at most times.  If the error can not be repaired in this way, don't fret, you can try to use a free third-party disk manager to check SD card health and repair corrupted SD card.

Check SD card health Windows 10 with a free partition manager

EaseUS Partition Master Free is a superior tool that provides the most full-around solutions for disk and partition management. 

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 Windows 10 is supported

The outstanding features of EaseUS partition manager:

  • Check SD card bad sectors with the SD card checker utility
  • Resize/move partitions, create, format, delete, and merge partitions
  • Copy and clone an entire disk to another even the target partition is smaller than the source
  • Convert a logical partition to primary or primary partition to logical, FAT to NTFS partition, MBR disk to GPT, or GPT disk to MBR
  • Completely wipe out all the data on the hard disk to prevent information from being leaked or recovered

Now, download this free SD card health check tool. Then, follow the steps below to check SD card health and repair the corrupted SD card file system. You can also use this method to repair corrupted HDD/HDD without losing data.


Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose "Check File System".

Check Partition - Step 1

Step 2: In the Check File System window, keep the "Try to fix errors if found" option selected and click "Start".

Check Partition - Step 2

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click "Finish".

Check Partition - Step 3

How to Format SD card to check and fix bad sectors without data loss

Checking file system can repair a corrupted SD card caused by a damaged file system. If this approach doesn't work, you can format the SD card to fix the errors and use it again.

Formatting SD card will cause data loss. To scan and check SD card errors without losing any file, we highly suggest that you use a professional data recovery software to recover data from corrupted SD card at first. You can use EaseUS free partition management program to format the SD card without effort.
Download Now

 Windows 10 is supported


Step 1: Open EaseUS Partition Master. Find your SD card and right-click the partition you want to format and choose "Format".

Format Hard Drive Partition - Step 1

Step 2: Set a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: Click "OK" on the pop-up window to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button on the toolbar, then click "Apply" to start formatting your SD card.

Format Hard Drive Partition - Step 4

Useful tips for SD card health check

  • Format corrupted memory card will erase all your data, so make sure that you have made a backup. And if you can not access the card, you can try EaseUS disk data recovery to check if your files are recoverable.
  • If the errors cannot be are repaired even you have reformatted the SD card, you might need to buy a new card.
  • Regular backup your files in case that errors or corruptions occur on your SD card again and cause unexpected data loss disaster.

To sum up

EaseUS Partition Master Free offers you the most comprehensive methods to check SD card health and check the file system. What's more, you can use the disk surface test feature to check bad sectors on the SD card. All the bad sectors will be marked as red. You can know the health of your SD card by the number of bad sectors.

Download Now

 Windows 10 is supported

Check SD card health frequently asked questions 

Here are a few more questions about the SD card health check. Read them if you are interested.

How do I check my SD card conditions?

You can use an SD card surface tester to check SD card for errors. EaseUS disk management software has a Disk Surface Test function to help you check physical bad sectors on your SD card in one click.

How do I know the actual capacity of my SD card?

You can know the actual capacity of your SD card in the following way:

Connect your SD card to the computer. Right-click the Start button, choose Disk Management. Here, you will see all the hard disks displayed, including HDD, external hard drive, SD card, or other storage devices. You can check the SD card size and storage usage.

How do I check the lifespan of my SD card?

Current technology combined with normal usage can usually make smart cards have a service life of 10 years or more, allowing consumers to update their devices for many years and reduce consumer electronic waste. 

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Video Tutorial

How to Partititon a Hard Drive on Windows 10/8/7