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6 ways to fix SD card and how to recover data from SD card

Summary: In this article, I am going to tell you about various methods which will help you to fix SD card. Don’t forget to check out for the best SD card recovery solution when your data lost from SD card.
SD cards are very popular photo storage device used in Android phones and Digital cameras. When it becomes RAW, unreadable, inaccessible, 0 bytes instead of full capacity, or Windows prompts disk needs to be formatted error. Generally, with few CMD commands that you can easily perform to fix or you can run USB drive repair from Device Manager.
The SD card is the common used device that can be inserted into camcorders, music players, smartphones, tablets, digital cameras, and other portable devices. It is the most convenient and inexpensive storage media that provides volatile storage as well as encryption capabilities for protected content too. However, SD cards are easily prone to corruption, accidental formatting or damage leading to lost all the stored photos, videos, and audio files and what’s worse, data will be lost permanently from SD card in case of improper operations. Moreover, memory cards have a limited lifespan, so after a certain period of usage they are bound to get corrupt or damaged.

How to recognize that your SD card is corrupted

Your SD card is deemed corrupt if you find below signs:
         ●The SD card is error: A black screen appears along with an error message 'SD card is not accessible. The file or directory is corrupted and unreadable.
         ●Files on your SD cards are missing: Most of the photos on your SD cards are missing.
         ●No folder appears: When you try to read the SD card through a system, no folder appears, or the folders do not open and show error messages 'Read / Write error on SD card' that indicates it cannot read from the device.
         ●Memory card error: You get error messages reading 'memory card error' or 'corrupt memory card' while trying to access your precious photos or videos stored on the card. Read more on Memory Card Recovery.
         ●Write protected: You can see the contents of your SD card in your camera as well as in your system, but unable to copy these contents and get an error message that disk is ‘write-protected.’
         ●SD card is not formatted: Your SD card is recognized by your PC, but you are unable to see any stored photo or video. It shows the message 'SD card is not formatted. Do you want to format it now?'
         ●SD card is not accessible: You are unable to add, delete, copy or save anything in your SD card. And you get a message on your phone that you cannot save files on your SD card
Whenever your SD card gets corrupt, there is no guarantee that you will always recover your data back. In the case of physical damage, you may not be able to repair it, but a logical error can be tackled in some simple ways.

How to fix SD card?

Fix 1: Connect SD card to another device

At times, some of the devices may not read an SD card or they are incompatible to that SD card. In such cases, try to connect your SD card to another device.

Fix 2: Repair corrupt SD card using Command Prompt

      1. Connect the corrupted SD card to your computer
      2. go to “My Computer/This PC.”
      3. under “Devices and drives” section, locate the SD card and note its drive letter.
      4. Now run Command Prompt and type “chkdsk h: /r”, where “h” is the drive’s letter.
The chkdsk command scan damaged SD card and checks for the issues and repairs the corrupt micro SD card. After the completion of scanning process, connect the memory card to see if the “SD card is damaged. Try reformatting it” issue has been resolved or not.

Fix 3: Assign a new drive letter

Connect your SD card to a card reader to the system, if your system does not assign a new drive letter to it, then it means you cannot access it. In some cases, the reader might be assigned a drive letter, but still, you get the message "Please insert the disk into drive E:" indicates that the SD card is unreadable. To solve this problem, you should assign a new drive letter to this connected Card through your operating system settings.

Fix 4: Disable the SD card

After connecting the corrupt memory card to your computer

     1. Go to “Device Manager”
     2. Right-click on the SD card and select “Disable.”
     3. Wait for a few minutes and then click “Enable.”

For the changes to take effect, you may have to restart your computer

Fix 5: Reinstall the driver

You can try to reinstall the driver. To do so follow these steps:
      1. Go to and right click on My Computer/ This PC. Click on the option Manage.
      2. Click on Device Manager Option on the left side.
      3. Double-Click Disk Drives option from the list. Then Right Click on the name of your removable drive.
      4. Click on Uninstall and click on Ok.
      5. Disconnect your storage media and restart your PC.
      6. Reconnect your SD card again. Your PC will detect it.

Fix 6: Format SD card

If you can read all the files but cannot save them, then your card might be in write protected mode. Unlock the write-protection switch to save or modify files on the card.
If still, you are unable to read or write to the card, then possibly your files are lost or have become inaccessible. To fix it, you need to use a disk diagnostic tool that can work on memory cards too. Although you can also get access to your card by reformatting it, it will remove everything on the card. Therefore, make sure you have recovered all the stored files and copied or recovered everything to another drive before SD Card format.

Fix 7: Recover lost data from SD card

If you tried the above 6 fixes but still nothing worked? Yes, Recovery Software is your only solution. To efficiently recover files from the SD card that no longer works, you can use a professional SD card recovery software. Bitwar Data Recovery software is specially designed to retrieve your deleted/formatted/RAW files from Windows PC, laptop, hard drive, SSD, memory card, USB drive, SD card, digital camera, multimedia player and other storage devices.

How to recover data with Bitwar Data Recovery?

Stop using the SD Card, free download and then install Bitwar Data Recovery Software on your computer by clicking here.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download

Step 1. Select the SD card

Launch Bitwar Data Recovery software on your windows and select the partition of the SD card and then click "Next".

Step 2: Select the Scan Mode

There are three modes for you to scan data, you can choose “Quick Scan” mode to scan first, If you cannot find files on this mode, try Deep Scan. The deep scan will search every sector of hard drive to find all existing files.
When you want to recover formatted files from SD card, you should select “Formatted Recovery” here.


Step 3: Select the file types

Select the file types you want to recover, you can also choose “Select All Types” to recover all files from SD card. Then click “Next” to start scanning.

Step 4: Preview and recover lost files

After the scan, you can filter the files by file name, type, path and time. You can also preview them to make a selective recovery. After you have determined the file you want, click the "Recover" button to save it to hard disk or other external device that can be used.

After following the above 4 steps, most files will be back from the SD card.

Things to Remember to Protect your SD Card!

       ● Never remove a SD card while turning on/off your devices.
       ● Never remove your SD card while saving and viewing a file.
       ● Do not take or view new pictures on battery low mode.
       ● Never change your SD card when the device is on.
       ● Use SD cards from big brands such as SanDisk, Kingston, Lexar, Panasonic, Sony, etc.

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