How To Repair Corrupted Pen Drive Or SD Card By using Command on Windows.

1. Insert corrupted pen drive or Memory card to your computer.
2. Press a shortcut key (window+R).
3. Type CMD on Run box then Command Prompt window will open.
4. Type diskpart and press Enter then open a dialog box press on yes to Continue.
5. Type list disk and press Enter. A list of all the storage devices  your computer will be displayed. Like your computer internal hard disk and your Memory card.
6. Type select disk < .....> and press Enter. (As a Example: select disk 1).

  

1.  Important: Make sure you enter the number correctly. Otherwise, you may format your internal hard drive. 
2. Type clean and press Enter.
3. Type create partition primary and press Enter.
4. Type active. again Press Enter.
5. Type select partition 1. again Press Enter.
6. Last Step - Type format fs=fat32 and press Enter.
7. After few minutes the format process will finish . Remember that Don’t close the CMD until the work is finished.

Done!