Repair a Corrupted Pen Drive or SD Card

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You might get crazy when your Pen drive or SD card gets corrupted with important files with it.

Sometimes you might have some very important document or files in your pendrive or SD card and when you try to get it into your computer, you might get an error and can't access your file. Yes, dealing with a corrupted pen drive or SD card can be a tedious task if you don't know how to repair it and get your files back.So I have written this article with various methods to repair your pen drive or sd card get back your files.  

If you have an SD card, you must insert it in a slot provided in your computer using a card reader. You may need to use an adapter if you have a microSD card.

Here are the methods to get your job done in minutes:

 Changing the drive letters might help sometimes

 Sometimes you can't access files in your storage media because your computer is unable to assign drive letters to your storage device. So assigning a drive letters to your device can do a trick sometimes. To Assign a drive letter to your drive, follow the following methods;

  1. Connect your storage media to your computer.
  2. Right Click on My Computer/ This PC. Click Manage in the drop down menu.
  3. Click Disk Management in the left side and wait for a few seconds so that Windows can load the Virtual disk service.
  4. Right Click on your storage media and click Change Drive Letter and Paths.
  5. Click the drive letter (it will turn blue) and click Change.
  6. Select the drive letter from the drop-down list. Click Ok.

Try using it on another device or a PC

Sometimes the problem may be on your computer. Try connecting it in another computer and hopefully you should get your files.


Reinstall the drivers

Sometimes your drivers for the storage device might get corrupted and your PC won't detect your storage device. For this, try reinstalling the drivers with following methods;
  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.

Repair using Windows Explorer

Most of the peoples use this procedure to repair their corrupted storage devices. This procedure will format your pen drive or SD card which will delete all your files on it. But don't worry, you can still get your files back using the recovery softwares like Sandisk Rescue Pro, Recuva(by piriform), etc.
Below is the method to format your SD card or pen drive using Windows Explorer;


  • Open My Computer or This PC.
  • Select the corrupted drive and Right Click.
  • Click Format in the drop down menu.
  • Click Restore Device Defaults in the popup window.
  • Click Start to begin the format process. You can uncheck the Quick format option if you want the computer to deep scan the drive/card for errors but this will take time. So, uncheck it only if you fail in the first attempt.
  • Click Ok in the next dialog box which will warn you that the data will be lost. The format process will complete in a few moments and you will have your error free SD card or pen drive.

Repair using CMD

In some cases you may get an error while formatting your storage device using Windows Explorer. In this case you can use command prompt(CMD) to forcefully format your storage device. Follow the below procedure to get you job done;


  • Connect the corrupted pen drive or SD card to your computer.
  • Hover your mouse on the Start button and Right Click.
  • Click Command Prompt (Admin). A CMD window will open.
  • Type diskpart and press Enter.
  • Type list disk and press Enter. A list of all the storage devices connected to your computer will be displayed.
  • Type select disk <the number of your disk> and press Enter. (Example: select disk 1). (Important: Make sure you enter the number correctly. Otherwise, you may format your internal hard drive. You can type list disk again to check whether you are going correctly.) There will be a star (asterisk symbol) before the name of the selected disk.
  • Type clean and press Enter.
  • Type create partition primary and hit Enter.
  • Type active.
  • Type select partition 1.
  • Type format fs=fat32 and press Enter. The format process will finish in a few minutes. You can write ntfs instead of fat32 if you want to carry files larger than 4 gigabytes. Don’t close the CMD
At last you can use recovery tools mentioned above to recover your files back.


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