How to Recover Data from Corrupted SanDisk SD Cards? 
If you’re dealing with a corrupted SanDisk SD card, keep reading for 7 feasible SanDisk corrupted SD card recovery tips and recover files from corrupted SD cards.
How do I fix a corrupted SanDisk SD card? How about my files?
SanDisk SD cards are renowned for their reliability as storage devices. These versatile memory cards are commonly used in digital cameras, mobile phones, and voice recorders.
Unfortunately, data loss resulting from corruption or file system crashes can be a significant setback for users.
However, there is a precise method to address SanDisk SD card corruption and fix the issue.
In this case, you need to focus on recovering data from your corrupted SanDisk SD card on a Windows system, followed by applying straightforward methods to resolve the corruption problem.
Before the detailed solutions on how to recover files from corrupted SD card, let’s check the symptoms to help you assess the damage.
Symptoms of SanDisk SD card corruption
Before giving up the ghost, most SD cards tend to show tell-tale signs of corruption or damage. If you’re able to identify these signs, immediately back up all your data to prevent significant data loss.
Here’s a list of some common signs of corruption on your SanDisk SD card.
◆ SD card asks to be formatted. If you see the error message “You need to format the disk in drive X: before you can use it” on your PC, it means that your SanDisk SD card will likely become inaccessible and needs a format. While this error is fixable and you can even recover data without formatting, ignoring it can lead to severe data loss.
◆ SD card is not detected/recognized by the PC. You insert your SanDisk SD card into your laptop and wait, but the PC does not recognize it.
◆ The file directory is corrupted and unreadable. If the “File or Directory is Corrupted and Unreadable” Error appears on your Windows PC, it means that your Sandisk SD card has most probably become infected with a virus, and the file system might be corrupted.
◆ Read/Write issues. Read/write issues when transferring data to/from an SD card are concerning. If you have to transfer the same file multiple times, it’s a sign that the SD card has become corrupted.
◆ Slow performance. Another sign that your Sandisk SD card has become corrupted is the effect on its performance. Corruption or damage can negatively impact the performance of a memory card, and sometimes, it might take several hours to make small data transfers.
Why files are lost from corrupted SanDisk SD card?
Here are the most common reasons for SanDisk SD card corruption or data loss:
- Corrupted file system. When the file system on the SanDisk card becomes corrupted or RAW, you’re unable to access it and receive an error message. You may end up losing files on the SD card.
- Physical damage. If the SanDisk SD card has been physically damaged or broken.
- Data corruption. Improper SD card usage can cause data corruption and interruptions in the read/write processes.
- Improper ejection. If the SD card is not ejected correctly, it can cause data corruption and even physical damage to the card.
- Formatting the SanDisk memory card. Formatting the memory card carelessly or selecting the wrong drive letter while formatting can cause data loss.
- Virus attack. Virus attacks and malware infections are destructive and can cause severe data corruption on the SD card. Some users have reported that SD card deleting files by itself after being infected.
How to recover data from corrupted SanDisk SD cards?
With the symptoms and reasons clear, now we can move on to the SanDisk corrupted SD card recovery solution part and learn how to recover files from corrupted SD card.
Method 1. Recover data from SanDisk SD cards efficiently
Once you’ve discovered the reasons for SD card corruption, you must choose the best data recovery app from the numerous solutions available on the market.
Our choice, MyRecover, is one of the top-rated SanDisk SD card recovery software and offers high recovery rates, a straightforward interface, and features a trial version for free data recovery.
- Lightning-Fast Recovery: MyRecover's advanced algorithms work tirelessly to scan and retrieve your data swiftly, ensuring you get back on track as quickly as possible.
- Comprehensive File Support: From images, videos, and audio to documents, compressed files, and everything in between, MyRecover can recover a wide range of file types, leaving no stone unturned.
- Intuitive User Interface: With its intuitive design, MyRecover makes the data recovery process effortless, even for beginners.
- High Compatibility: MyRecover works seamlessly with SanDisk SD cards, as well as HDD/SSD/USB flash drives, etc., on Windows 11/10/8/7/Server.
- Reliable and Secure: Rest assured that your data is in safe hands. MyRecover prioritizes data security, ensuring your files remain confidential and protected.
Here’s a detailed guide on SanDisk corrupted SD card recovery using MyRecover.
Step 1. Run the software > connect your SD card to the PC > select SD card > Start Scan.
Step 2. Filter/preview/sort the scanned files to navigate to your wanted photos quickly.
Step 3. Go to Other missing files > choose Images > choose the files you need. 200 + file types are supported. Thus, you could recover lost or accidentally deleted photos from SD cards in 3 simple steps.
- Users may retrieve 30 MB of files for free using the free version. Don't be hesitant to upgrade MyRecover to Pro and Tech if you want to take advantage of limitless data recovery from various devices.
Don't let data loss hold you back. Choose MyRecover and restore your peace of mind!
How to fix corrupted SanDisk SD cards?
With the files recovered, you still need to fix the corrupted SanDisk SD card with the proper tools or methods. Here we offer 6 feasible solutions to help you perform corrupted SD card recovery.
Method 1. Try another USB port/adapter/computer
Just try to change the USB port you have connected to and the adapter/card reader. This is by far the easiest fix you can try, which is why you should always start with it before you move on to other ways to fix a corrupted/damaged SD card.
Also, it’s possible that your SD card is perfectly fine and that all the issues you’re experiencing with it are caused by your computer.
To rule out this possibility, you should try to use the card on another computer or device to verify that the issues you’re experiencing happen on every device.
Method 2. Fix a Card by Trying CHKDSK Command to Check for Memory Card Errors
How to fix corrupted SD cards? Included in all versions of Windows is a command-line utility for checking the file system and file system metadata of a volume for logical and physical errors.
This utility is called CHKDSK, and it’s actually much easier to use than most people think.
- Seek help from the tutorial if CHKDSK command not working.
Step 1. Type “cmd” in the search box on the taskbar and select Run as administrator.
Step 2. Enter the following command (make sure to replace X with the letter assigned to the SD card you want to fix) and press Enter: chkdsk X: /f
The /f parameter tells CHKDSK to fix all memory card errors.
Method 3. Assign a New Drive Letter
Surprisingly many SD card errors can be solved by assigning a new drive letter to the SD card.
The errors solved by this method typically have something to do with conflicting drive letters, which may happen as a result of the operating system not updating drive letter information properly.
Step 1. Properly connect your SD card. To open the Run window, use Win+R. Enter diskmgmt.msc and choose OK in the dialogue box.
Step 2. Choose Change Drive Letter and Paths > Change > Assign the Following Drive Letter from the context menu after finding your corrupted SD card.
After that, reconnect your SD card and make sure everything is okay.
Method 4. Reinstall SD Card Drivers
Windows automatically downloads and installs the most recent drivers through Windows Update, but not all driver updates go exactly according to plan.
If you suspect that your SD card is misbehaving because of a faulty driver update, you should reinstall it manually.
Step 1. As previously indicated, locate your micro SD card in Device Manager. "Update Driver Software" may be chosen by right-clicking it.
Step 2. In the pop-up box, click "Search automatically for updated driver software". Try searching for a new driver on the manufacturer's website if there isn't one already available, then follow the installation instructions.
Step 3. If updating the driver doesn't work, simply pick "Uninstall" from the context menu when you right-click the micro SD card. When you restart your computer, Windows will automatically reinstall the driver.
Method 5. Fix SD Card Using Windows Repair Tool
Included with Windows is a graphical tool capable of checking drives for file system errors. This tool is commonly referred to as Windows Repair Tool, and Windows sometimes automatically launches it when you insert a corrupted drive.
That said, you can also invoke it manually and use it to scan any drive for errors. To fix an SD card/USB drive using this SD card repair tool.
Step 1. Right-click on the corrupted hard disk in File Explorer.
Step 2. Choose Properties, go to the Tools tab, and then click the Check button next to Error checking.
Step 3. To begin the corrupted hard disc recovery, click Scan disc.
Method 6. Fix SD Card by Formatting a RAW SD card to FAT32
An SD card may seem to be corrupted if it has no file system on it. Such an SD card is typically referred to by experts as RAW, and most operating systems won’t display it as an available storage device and allow you to write files to it.
Since a RAW SD card shouldn’t have any data on it, formatting RAW SD card to FAT32 is a relatively safe operation. Just make sure to select the RAW SD and not some other storage device.
- Disk formatting wipes data. Please make sure you have backed up your data, thus you could format hard drive without losing data.
Step 1. Click Disk Management by doing a right-click on the Windows start menu.
Step 2. Format the RAW SD card by selecting it from the context menu and choosing an exFAT or FAT32 file system. If the situation allows, please back up the drive before formatting it since disc formatting erases all the data on the hard drive.
How to protect your SD card from data loss?
We could go on and on about the fragile construction of SD cards or how easy it is to format them by accident. But instead of telling you something you already know, we want to give you some useful tips to protect your SD card from data loss.
- Always safely eject the SD card from your computer before removing it.
- Don’t subject your SD card to extreme temperatures, and keep it away from dust and water.
- Avoid writing data to the SD card if there’s a risk of a sudden loss of power (such as when recording video using a camera that hasn’t been charged in a while).
- Regularly transfer files from the SD card to your computer or cloud storage.
- Use multiple SD cards and avoid filling them up to their maximum capacity.
- Avoid no-name SD cards of questionable quality.
- Always have reliable data recovery software ready.
- Don’t ignore SD card error messages even if they don’t seem important.
With these simple tips, you can prolong the lifespan of your SD card and protect it from data loss.
SanDisk SD cards are great solutions to store all your photos, videos, and other important files. They are portable, efficient, and excellent value for money.
However, SD cards can be prone to unforeseen damage or corruption, leading to significant data loss. But this damage need not be permanent.
As mentioned in this SanDisk corrupted SD card recovery guide, you can use professional software MyRecover to perform SanDisk SD card recovery or approach a professional Data Recovery Center for the best results.
Also, you could learn how to fix corrupted SD cards with the 6 feasible solutions in this post to bring your damaged SD card back to life again.