Fix Unreadable SD Card on Windows 10 & Recover Pictures

If Windows 10 says your SD card is unreadable, not formatted, or shows a RAW file system, the pictures on it are usually still there. This guide walks you through safe fixes to make the card readable again and recover your photos without risking permanent data loss. You’ll need a Windows 10 PC, the SD card, and a card reader (built-in or USB).

What You’ll Need

A Windows 10 computer with an SD card slot or a USB card reader
The unreadable SD card
A USB cable to connect your camera/phone if the card is inside it (optional)
Another storage device (like a USB drive) to save recovered photos to
Admin access to the computer (to run commands)

Step-by-Step

Stop using the card immediately. Do not format, write new files, or take more photos. Every new write can overwrite the pictures you want to recover.
Try a different port or reader. Plug the card into another USB port or a different card reader. Sometimes the issue is the reader, not the card.
Check if the card appears in File Explorer. Open File Explorer (Win + E) and look under “This PC.” If you see the card but it shows 0 bytes or a RAW file system, proceed to the next step.
Run CHKDSK to fix file system errors. Open Command Prompt as administrator (right-click Start > Command Prompt (Admin) or Windows PowerShell (Admin)). Type chkdsk X: /f (replace X with the drive letter of your SD card) and press Enter. This scans for errors and attempts to repair the file system. If it succeeds, your card may become readable again.
If CHKDSK fails or says the drive is RAW, use recovery software. Download a reputable photo recovery tool like Recuva, PhotoRec, or Disk Drill. Install it on your PC (not on the SD card).
Run the recovery software. Select the SD card drive, choose “Deep Scan” or “Full Scan” for better results, and let it scan. This can take 30 minutes to several hours depending on card size and damage.
Recover the photos to another drive. After the scan, preview the found files. Select the pictures you want and recover them to your PC’s hard drive or an external USB drive—never back to the same SD card.
After recovery, try to make the card usable again. If you want to reuse the card, format it. Right-click the card in File Explorer and choose “Format.” If that fails, open Disk Management (right-click Start > Disk Management), find the SD card, right-click its partition, and choose “Format.” Select exFAT or FAT32 for compatibility.

Common Mistakes

Formatting the card as a first step. This destroys the file system and makes recovery much harder, though not always impossible.
Writing new data to the card after the error. This can overwrite deleted photos.
Using the card in multiple devices without ejecting properly. This can cause file system corruption.
Ignoring the write-protect switch. Some SD cards have a small slider on the side. If it’s locked, the card appears read-only and can’t be fixed until you unlock it.

Tips

Always eject the SD card safely. Use “Safely Remove Hardware” in the system tray before pulling it out.
Back up photos regularly. Copy them to your PC or cloud storage after each shoot.
Use a quality card reader. Cheap readers can cause connection issues.
Keep the card in a protective case. Physical damage can also cause unreadable errors.
If CHKDSK asks to dismount the volume, type Y and press Enter.

Troubleshooting

CHKDSK says “The type of the file system is RAW.” This means the file system is corrupted. Don’t format yet. Run recovery software first, then format.

Recovery software doesn’t find any photos. Try a different tool or run a deeper scan. If that fails, the card may be physically damaged—consider professional data recovery services (expensive but sometimes the only option).

Windows doesn’t detect the card at all. Try the card in another device (camera, phone, another PC). If it works there, the reader is the issue. If not, the card may be dead.

Card is write-protected. Check the physical switch. If it’s unlocked but still write-protected, the controller may be failing.

Format fails. Use DiskPart: open Command Prompt as admin, type diskpart, then list disk, find your SD card number, select disk X, clean, then create a new partition with create partition primary and format with format fs=exfat quick. Be absolutely sure you select the correct disk—this erases everything.

Frequently Asked Questions

Can I recover pictures from an unreadable SD card without software? Sometimes CHKDSK can fix the file system and make the card readable again, but if it’s RAW or badly corrupted, you’ll need recovery software.

Will formatting the SD card permanently delete my photos? Formatting removes the file system, but the actual data often remains until overwritten. Recovery software can often find pictures after a quick format, but it’s riskier than recovering before formatting.

How long does photo recovery take? A deep scan can take 1-3 hours for a 32GB card, longer for larger cards. It depends on the card’s speed and the software.

Why does my SD card say “Please insert a disk”? This usually means the card isn’t being detected properly. Try cleaning the metal contacts with a soft cloth, reinserting it, or using a different reader.

Is it safe to use the SD card after recovery? Yes, but format it first to ensure a clean file system. Also, consider replacing it if it’s old or has failed before.

Can I recover photos from a physically damaged SD card? If the card is physically broken (cracked, bent), recovery is very difficult. Professional services may be able to help, but it’s expensive and not guaranteed.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

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