My computer is unable to read or open the SD card.

The following content provides a comprehensive solution to the issue of "SD card not readable or opening" on a Windows PC. If you encounter this problem, follow the steps outlined below to promptly fix it and recover your data:

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What to Do When Your SD Card Won't Read or Open on Your Computer

Numerous users report that their SD cards were working fine until suddenly they become unreadable or inaccessible on their computer, prompting them to seek help online. Here's a real-life scenario from a user on the Microsoft Community forum:

"I tried using my Toshiba SD card on my laptop today, but the computer doesn't recognize it. There's no display on my computer at all. Is there any solution to this problem?"

If you're also dealing with the same issue and are worried about your SD card not being readable, you've come to the right place. We offer verified solutions to fix the problem without losing your data.

Part 1: Recover Data from SD Card When Computer Can't Read or Open It

Before solving the “SD card won't open” issue, you should recover your data first to prevent further data loss. How? Now, the Data Recovery Wizard tool can help you!

When your SD card is not readable on PC, right-click "This PC" > select "Manage" > choose "Disk Management". See if the memory card shows there. If it does, you can recover your precious data with a few simple steps using a data recovery software tool. Plus, it can also fix corrupted files on SD card, including photos, videos, and documents, after data recovery.

Once you've recovered your data, proceed to Part 2 to fix an unreadable Micro SD card.

Step 1. Connect your SD card, memory card, or CF card to the computer and launch the memory card recovery software on PC. The SD card will be listed under “Devices”. Select the SD card and click “Scan” to start searching for lost data.

< strong > Step 2: The software will start scanning automatically. The scan is powerful enough to find all lost files, including those without file names. When the scan is finished, you can find your deleted items in the tree view on the left panel. If you're looking for a specific type of file, like photos, documents, videos, or emails, click on the "Filter" button.

Step 3: You can directly preview the files. After that, select the ones you need and hit “Recover” to save them to a secure location on your computer or any external storage device.

You can also watch this video tutorial to learn how to use the Data Recovery Wizard tool for SD card recovery.

Part 2: Fix SD Card Not Reading or Opening on Computer

After retrieving all the data, you can gradually resolve the issue of “Computer not reading or opening SD card”.

1. Unopenable SD card turned into RAW format

If your SD card is recognized in Disk Management but not accessible, i.e., the drive turns into RAW format, you can fix it with 2 methods – using CHKDSK or formatting the SD card.

Utilize CHKDSK to Fix Unreadable SD Card Issues (Repair File System Errors)

If the SD card is detected but not opening, run CHKDSK to scan for errors! Please note that CHKDSK will permanently erase all saved data, so make sure to recover all files first with a reliable data recovery tool, such as the Data Recovery Wizard.

Step 1: Connect the SD card to your computer using an SD card reader.

Step 2. Type cmd in the Start search, right-click on Command Prompt, and select Run as administrator.

Step 3 Type chkdsk h: /f. Replace "h" with the letter assigned to your SD card.

After that, try again to see if it will mount. If not, you may need to format the SD card.

CleanGenius is a user-friendly and lightweight PC repair tool that is both safe and efficient. It serves as a perfect alternative to the CHKDSK command, effortlessly fixing corrupted file systems with just one click.

Step 1: Download and install CleanGenius on your computer.

Step 2: Run the software, click “Optimize,” and then choose “File Display.”

Select the file with the encoding issues

Step 3: Select the disk with the damaged file system, check the box for Check and repair file system errors, then click Run.

Step 4: Wait for the tool to perform the fixing process. After that, click on the “Click here” button to scan the drive.

Format the SD card (this can also fix missing partitions)

The SD card can be recognized in Disk Management but is not accessible or has lost its partition. Formatting the SD card can easily resolve this issue:

Step 1: Connect the SD card to your computer. Right-click "My Computer/This PC" and select "Manage."

Step 2. Right-click on the SD card and select “Format” from the Disk Management window.

Step 3: Select the appropriate file system for your SD card and click “OK” to confirm.

2. SD card shows no media

If your SD card shows 0 bytes in Disk Management, you need to bring the device to a local data recovery service for help.

However, you can still try updating the drivers to fix this issue. Most users reported that this worked for them.

Step 1. Connect the SD card to your computer. Right-click on the "My Computer/This PC" icon, select "Manage," and then go to "Device Manager."

Step 2: Expand 'Disk Drives' and right-click on the SD card with no media. Select 'Update Driver'.

Step 3: Select “Search automatically for updated driver software” and wait patiently for the process to finish.

3. SD card shows as unallocated

If it shows up as Unallocated, then the PC definitely cannot access the SD card. For this case, things might be simpler. All you need to do is create a new volume for the SD card. Here are the steps to do it manually. If you prefer using software, refer to this page - Create New Partition with Software

Step 1. Connect the unmounted SD card to your computer. Right-click on "This PC" / "My Computer" and select "Manage" > "Disk Management".

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

Step 3: Choose the partition size, drive letter, and file system (NTFS). Click "Finish" when done.

Create a new partition to fix the SD card

4. Other Solutions to Fix Unreadable SD Card Issues

If the SD card partition is not showing in Disk Management, but is found in Device Manager:

Update the SD card driver Try using a different SD card reader, adapter, or USB port

If Device Manager and Disk Management don't recognize your SD card:

• Take it to a local device repair center.
• Write off the SD card and buy a new one.

That's it for how to fix the "SD card not reading or opening" issue.