How to Check SD Card for Errors in Windows 11, 10, 8, and 7

This tutorial will teach you how to check SD card for errors in Windows 11, 10, 8, 7 in detail. Following the steps, this method will scan sectors of your SD card and automatically fix errors after checking.


By Dervish / Updated on May 12, 2023

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About SD card

SD (secure digital) card is a storage device for phones, iPod, cameras, game consoles, and other electronics to expand capacities. An SD card is with a small size allowing you to take important data and files wherever you go, especially when you need to demonstrate some information for your partners or clients.

Sd Card

However, sometimes, you will encounter some issues, like your SD card not accessible, you may want to check SD card for error to see if there are some bad sectors or other problems on it. Next, this tutorial will teach you how to check SD card health in Windows 10, 8, 7 step by step.

How to check SD card for errors in Windows 10 or 11

For many PC experts, Windows build-in Command Prompt is a great choice to check a storage device. By entering several commands on the Command Prompt interface, it will check an SD card if there are some errors, bad sectors on it.

Step 1. Press “win + r” to open run box, input “cmd” on it and press Enter.

Step 2. When the Command Prompt is launched, type “CHKDSK [drive letter]: /f /r /x”, and press Enter to start the checking process.

The progress will be demonstrated on the Command Prompt dialogue, and you can view how many file is examining and bad files have been found and other results.

Chkdsk Check Error

If you still think your SD card is not working, you can check if the MBR is corrupted. You can also check and fix it with the Command Prompt.

✍Note:MBR (master boot record) is a type of boot sector at the beginning of an SD card. It contains the important information of the SD card, including how the data is stored and retrieved. Repairing corrupted MBR can solve some unexpected problem on a storage medium.

Step 1. Connect your SD card to your computer, and open Command Prompt.

Step 2. Input following commands on Command Prompt:

● bootrec /scanos
● boot rec /fixmbr
● bootrec /fix boot
● bootrec /rebuildbcd

Fix Mbr

Easily check SD card for errors with powerful SD card manager

As for most users who are not familiar with entering commands and fear of mistyping, the Command Prompt is not suitable. You can turn to a user-friendly software-AOMEI Partition Assistant Standard. It is a powerful storage device manager. It simplifies the checking process and demonstrate all information on an intuitive interface so that you can check a SD card health, bad sectors, integrity of file system within a few clicks.

Download and install the software, and follow the steps below to see how to check SD card for bad sectors:

Download Pro DemoWin 11/10/8.1/8/7/XP
Secure Download

Step 1. Launch this software. You’ll see the main interface displaying your SD card information, including size, partition table, format. Click on it, and choose "Test"> “Disk Surface Test”.

Surface Test

Step 2. Tick “Quick Check” and click “OK”. And the software will start checking. And you will see the progress on the window.

Disk Surface Test

Besides, if you want to check a particular partition, right-click on the partition, and go “Advanced” > “Check Partition”.

Check Partition


Command Prompt and AOMEI Partition Assistant are 2 great tools for checking SD card for errors. Hope they can help you. In addition, Wrong file system can result in your SD card is not working with a device. So, you may need to consider if you need to format the SD card to a correct file system with AOMEI Partition Assistant.

What’s more, you can upgrade to Professional Edition that provides more advanced operation, such as write zeros to a hard drive to completely erase data on it, allocated free space from one partition to another.

Dervish · Staff Editor
Dervish is an English editor of AOMEI Technology; He is delicated to offering users easy and effecitve solutions for issuses related to disks and partitoins. In his spare time, he enjoy wathcning films, playing footable, traveling and so on.