Fix Unreadable SD Card and Recover Data

Overview of SD Card Unreadable

Many users utilize a Micro SD card within their phones or digital cameras to store their data. It is the most convenient method to expand a device's storage capacity.

However, there are times when a Micro SD card becomes unreadable. In such cases, you're unable to access the card on your computer, smartphone, or digital camera. Below is a list of symptoms that indicate an unreadable SD card when connected to a PC:

• SD card becomes RAW
• SD card loses its partition
• SD card appears as "No Media" in Disk Management
• SD card fails to show up or is undetectable by the computer

Have you ever come across an unreadable SD card in your daily life? If you haven't found an effective solution yet, follow this page to fix an unreadable SD card without losing data using the methods and professional SD card recovery software provided below.

How to Repair an Unreadable SD Card and Recover Data from It

If you're dealing with an unreadable Micro SD card issue, the simplest solution is to recover your data from the unreadable card first and then format it for reuse. However, the reasons behind an unreadable SD card can be varied, and the solutions for different scenarios will also differ.

Follow the unique cases with provided solutions here to easily fix unreadable SD cards:

Case 1: Unreadable SD Card Appears in Disk Management

Applies to: SD card turns RAW, unsupported file system, access denied

1. Recover data from an unreadable SD card

If you have saved data inside the SD card that's unreadable, use a dependable Data Recovery Wizard tool to scan and retrieve the data. The Data Recovery Wizard tool supports recovering inaccessible data from your unreadable Micro SD card in just 3 steps.

This program boasts powerful data recovery capabilities and an intuitive user interface, enabling you to effortlessly recover data from your inaccessible SD card right at home on your own.

Step 1. Select the SD card to scan Translation: Step 1. Choose the SD card to scan

Translate the following text into English:
• Download and install the Data Recovery Wizard tool on your Windows PC.
• Connect your SanDisk/Lexar/Transcend SD card to the computer using the correct method.
• Open the SD card recovery software and select "SD Card Recovery" from the left panel. All connected drives will be displayed here. Choose your SD card and click "Scan".

Translation:

Step 2. Check for scan results

Waiting for the scanning process to finish. Select one or several file types to display, such as Pictures or Videos. Click "Preview" to verify if they are the desired files.

Step 3. Recover SD Card Data

• Preview the recovered files and click "Recover."
• Select a different location to save the recovered files rather than the original SD card.

Video Tutorial on Repairing Micro SD Card Files

2. Run the CHKDSK command to fix the file system error on the SD card

Warning: Running CHKDSK will result in permanent data loss while fixing this issue. Before proceeding with the fix, ensure that you recover all data from the inaccessible device using a tool like Data Recovery Wizard.

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Step 1. Connect the unreadable SD card to your PC using an SD card reader.

Step 2. Right-click the Windows icon, type cmd in the search bar, and press Enter to open Command Prompt.

Step 3. Enter your administrator account and password if prompted.

Step 4. Type: chkdsk /X /f sd card letter: or chkdsk sd card letter: /f, for instance, "chkdsk /X /f G:" or "chkdsk H: /f".

Following this, you can reopen File Explorer to check if the SD card is accessible. If not, proceed with the repair process.

CleanGenius is a user-friendly computer repair tool that is both secure and lightweight. It serves as an ideal alternative to the CHKDSK command. Utilize this one-click solution to effortlessly fix corrupted file systems.

Step 1. Download CleanGenius on your computer and complete the installation.

Step 2. Run the software. Click "Optimization," and then select "File Showing."

Step 3. Select the drive with a corrupted file system. Check the "Check and fix file system error" option and click "Execute".

Translation:

Step 4: Wait for the tool to complete the repair process. After that, click the "here" button to check the drive.

Option 3. CHKDSK Alternative - Format SD Card to FAT32

Step 1. Connect the SD card to your PC.

Right-click on "This PC" or "My Computer" and choose "Manage".

Step 2. Click "Disk Management", locate and right-click on the SD card, then choose "Format".

Step 3. Choose FAT32 as the file system for the SD card and click "OK" to confirm.

After that, you can save the data back to the SD card and reuse it on your PC, mobile phone, or camera, and other devices.

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Case 2: Unreadable SD Card Displays as Unallocated Space (Lost Partition)

Applies to: SD card lost partition, became unallocated

1. Recover data from unallocated SD card

When an SD card becomes unreadable and loses its partition, you are unable to view or access the saved data on it. The Data Recovery Wizard tool can help you fix unreadable SD cards and restore valuable data from the unallocated space on the SD card.

Save the files to another secure location before making the SD card readable again.

2. Create a new partition on the unallocated SD card

Step 1. Connect the SD card to the PC and open Disk Management.

Step 2. Right-click on the unallocated space of your SD card and select "New Simple Volume".

Step 3. Enter the New Simple Volume Wizard, and click "Next" to continue.

Assign a Drive Letter or Path, and then set the SD card's file system to FAT32. Click "Finish" to complete the process.

Now the SD card is accessible and available for you to store and save files again.

Case 3: Unreadable SD Card Displays as "No Media" in Disk Management

Applies to: SD card appears in Disk Management as "No Media," with no partition detected.

为了解决此问题，您可以尝试以下两种方法寻求帮助：

1. Update SD card driver

Step 1. Connect the unreadable SD card to your PC. Right-click on the 'This PC' or 'My Computer' icon, choose 'Manage', and navigate to 'Device Manager'.

Step 2. Expand Disk drives, locate and right-click on the 0 bytes hard drive that shows as "No media", then select "Update driver".

Step 3. Choose "Search automatically for updated driver software" and wait patiently until the process finishes.

Frequently restarting or rebooting the device can also resolve issues with unreadable SD cards on phones, PCs, or Macs. First, disconnect the SD card reader from your computer or phone. Then, reconnect the SD card using a different card reader. Check if your computer or phone is now able to read the SD card.

2. Have the SD card repaired at a local device repair center if it's unreadable.

If the SD card partition does not appear in Disk Management, you will need to seek assistance from a local device repair center.

Case 4: Unreadable SD Card Not Showing Up in Disk Management

Applies to: SD card is only visible in Device Manager but not recognized by Disk Management or File Explorer.

1. Update the SD card driver

2. Try a different SD card reader, adapter, or USB port

By switching to a new SD card reader, adapter, or USB port, you might be able to make the SD card readable once more.

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How to Update Drivers on Windows 11 [Download USB Drivers]

This page provides simple solutions with file recovery software to help you fix an unreadable SD card and recover your data.

3. Take the SD card to a local device repair center

If the card still doesn't arrive, take it to a local repair center. Professional manual repair service providers may have a solution to resolve your problem.

Case 5: Device Manager Cannot Detect an Undetectable SD Card

Applies to: SD card is not recognized by Device Manager, Disk Management, or File Explorer.

1. 1. Change the SD card reader, adapter, or USB port

2. 2. Take the SD card to a local device repair center

3. 3. Get a new SD card and discard the old one

If all methods fail and the SD card still doesn't work, you'll need to purchase a new one to replace the old one.

底线

In summary, when the SD card becomes unreadable, let's explore what can assist in fixing an unreadable Micro SD card:

1. Check for file system errors
2. Format the SD card to FAT32
3. Create a new partition on an unallocated SD card
4. Update the SD card driver
5. Try a different SD card reader, adapter, and USB port
6. Have the SD card professionally repaired at a local service center

Next, the most crucial step is to seek assistance from reliable data recovery software. Tools like Data Recovery Wizard can effectively and swiftly help rescue your data.

This efficient recovery tool also performs well in other data recovery scenarios for storage media. For instance, it can be used to recover formatted USB drive, retrieve deleted files from a pen drive, and more.

Lastly, it's crucial to back up valuable data from the SD card to an external hard drive or a secure location on your PC.

"SD Card Unreadable" FAQs

Here are 3 additional questions regarding the SD card being unreadable. Find the answers here.

**1. Why is my micro SD card not readable?**

If your SD card's file system becomes unreadable, it's likely corrupted, and you'll need to format the card before using it again.

< strong > 2. Why is my micro SD card suddenly unreadable?

Translate the following text into English:
1. Connect the corrupted SD card to the computer.
2. Right-click on the 'This PC' or 'My Computer' icon and select 'Manage,' then choose 'Device Manager.'
3. Expand "Disk Drives" and find the 0 bytes hard disk displayed as "no media."
4. From the context menu, choose 'Update driver.'

3. How do I read an unreadable micro SD card?

1. First, connect the SD card to the computer using a card reader. 2. Run Command Prompt as an administrator when you open it. 3. Type in `Chkdsk D: /r`. Replace 'D' with the drive letter of your unreadable SD card. 4. Press Enter. 5. Follow the on-screen instructions. The chkdsk utility will scan for any potential errors.