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How to fix SD card won't read on computer


Summary:

SD card won't read or open on your computer? In this guide, you will find how to fix the "computer cannot read SD card" error step-by-step. If you worry about a data loss, try Bitwar Data Recovery software to rescue them.
 
We know that SD card is the most convenient and inexpensive storage media. It is universally used in camcorders, music players, android smartphones, tablets, digital cameras, and other portable devices. However, Due to the SD card hot-swappable, limited lifespan, and poor security, it is prone to corruption, accidental formatting or damaged. If your SD card won't read, how to fix it?
 
Please note: if your SD card have important data in it that you don't want to lose, you should recover them first, then fix SD card won't read error.

Causes of SD card won't read error

The SD card might be logically or physically damaged due to various factors. Here lists some common causes:
 
     1. Connection issue.
     2. SD card is locked.
     3. Improper operation.
     4. Drive letter is lost.
     5. Corrupted driver.
     6. Partition loss.
     7. The SD card is physically damaged.

How to recover data from SD card?

You may be concerned that some fix operations may delete important data on the damaged SD card. So stop using the SD card and do not try any fixing actions like formatting, disk check, clear SD card, etc. is your best choice. And you should perform a data recovery with the SD card first. This is the best choice.
 
To recover data from SD card, you should use Bitwar Data Recovery to help you. It is professional data recovery software to restore data from SD card. Whether you deleted these data, or lost them due to virus, or due to formatting, or due to disk won't read, you can still have them back using this software.

Steps to restore data from the can't read SD Card

Free download and then install Bitwar Data Recovery Software on your computer by clicking the download button here. Then insert your SD card into the slot provided in your computer or by using an external card reader.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download
 
Step 1: Launch Bitwar Data Recovery software on your windows and select the SD card (No matter what the computer prompts, make sure the computer recognizes it), and then click "Next". If your computer doesn't recognize it, you should click the "deep scan" button on the program to find the SD card first.
 
Step 2: Choose "Quick Scan" mode to scan the SD card first, If you cannot find files on this mode, you can try Deep Scan again to scan twice. The deep scan will search every sector of SD card to find all existing files.
 
Step 3: Select the file types you want to recover and then click "Next" to start scanning.
 
Step 4: After the scan, filter the scanned out files by file name, type, path and time. Then double-click them to determine. At last, select the ones you want and click the "Recover" button to save it to a partition of hard disk or other external device that can be used.
 
 
After following the above 4 steps, the files you want will be back from the SD card. Then you can fix the he SD card won't read issue without worrying about data loss.

How to fix the "SD Card won't read" issue?

Method 1: Try to use SD Card on another device

Just in case, insert the SD card to other mobile device or connect it to other PC to see if it works. If it is, it could be that the memory card is incompatible with your device.

Method 2: Change the drive letter

In some cases, if your SD card can't be read by a computer when connecting via a card reader, it could be that the computer is unable to assign drive letters (like C, D, E) to the reader.
 
       1. Connect your SD card via a card reader to your computer. Right click on My Computer/This PC and choose Manage.
       2. Click Disk Management on the left. Right click on your SD card and choose Change Drive Letter and Paths.
       3. Then Select a right drive letter from the drop-down list. Click OK and then see if the SD card can be recognized now.

Method 3: Reinstall the drivers

There are times when the drivers that run your SD card get corrupted and your PC will not be able to detect the storage media. You can reinstall drivers by following these simple steps:
 
      1. Right click My Computer/ This PC. Click Manage.
      2. Click Device Manager on the left side.
      3. Double-Click Disk Drives in the list. Right-click on the name of your pen drive.
      4. Click Uninstall. Click Ok.
      5. Disconnect your storage media and restart your PC.
      6. Connect your pen drive again. Your PC will detect it and install it.

Method 4: SD card gets infected with a virus or spyware.

If the SD card gets virus on computer, your computer and other device cannot read it. You can connected to your computer, and then format it to FAT16.

Method 5: Recover SD card using the CHKDSK command

The Windows computer can execute the Chkdsk command to fix the corrupted SD card.
 
      1. Click on the "Start" button, select the "Computer" option. Search for your SD card under "Devices with Removable Storage" and note the assigned drive letter.
      2. Click on the "Start" button, in the search box, type "cmd".
      3. Right-click "cmd.exe" and then select the "Run as administrator" option.
      4. In the newly-opened command window, type the command: chkdsk [SD card drive letter]: /f /r /x and press enter.

Method 6: reformat the Corrupted SD Card

Formatting can solve all non-hardware problems, however, Formatting a SD card will erase all contents stored in the card. So you should backup and recover lost important data before formatting. To format a SD card in Windows environment:
 
      1. Open My Computer/This PC and right click on your SD card.
      2. Choose Format in the drop down menu. When there is a pop-up window, click Restore Device Defaults > Start.
      3. If you want the computer to deep scan the card, uncheck the Quick format option.
      4. Wait until the process to complete. Your SD card should be ready to use.

 Bitwar Data Recovery for Windows download Bitwar Data Recovery for Mac download
 
After reading this post, I guess you may know what you should do when your SD card cannot be read by phone or PC. Hope these advices can help you.


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