SanDisk SD card Data Recovery

SanDisk SD card Data Recovery

If the micro card cannot be formatted

05.JUL.2015 / updated: 19.OCT.2019:
SanDisk SD card Data Recovery: IT name: I/O =input/output. Usually, if a connection failure occurs, the system sends an error message "The request could not be performed because of an I/O device error".

If your SanDisk micro SD card is not accessible due to an error, and through the card reader embedded in the laptop (computer) the system does not see, cannot be formatted, or sends an "The request could not be performed because of an I/O device error", do not throw the card into the trash. Because: - Still HOPE TO RECOVER DATA stored on your device.

The Disk Management console has appeared


Prevention is cheaper than repair

There are two possible reasons for the card error:

A.) – From the card reader embedded in the laptop (computer), simply pull from the card slot. This operation is strictly forbidden. On the laptop or computer, next clock in the Taskbar, is a small pop-up menu where you can log out, so we will save the file format from destruction, and the data will remain intact.

B.) – Or there was an error in the boot sector, FAT32 or NTFS, from a SanDisk Micro SD partition. What happens in this case is that the Windows system (Linux) opens the Micro SD card and uses the files, but because of the sudden removal of the "cardreader", the program does not have time to stop the process, so the partition table (FAT32, NTFS) from the card, it is deleted. That is: becomes a RAW file system, and all data is deleted. RAW is a so-called, Gross file system (exited from manufacturing as unformatted) because:

  1. Device partition table (hard disk, USB drive, SanDisk Micro SD Card), still not processed (formatted).
  2. The file system FAT32 or NTFS, due to incorrect connection, has been deleted, so it was restored to factory default Raw.

Three good tips

  1. Save the data stored on the Micro SD card, pictures, music, video, via USB cable, Bluetooth or (if available) online on your computer, and then remove the SanDisk Micro SD card.
  2. If you want to save your data using a card reader embedded in your laptop, or a USB card adapter, disconnect it through the Taskbar, in the small pop-up menu next to the clock, so you can disconnect it in device safety conditions.
  3. When creating and saving text, photo, video files, DO NOT USE ACCENTED LETTERS. In case of deletion, data may be recovered, but recovery programs may not interpret data names, images, or other files that contain accented letters, so you will ignore them, or play them as a useless file.

I have made so

Data recovery solution:

I wanted to save a video from a 32 GB SD card, but the card reader of the laptop (computer), sent an error message "The request could not be performed because of an I/O device error".

I pressed the Windows + R buttons simultaneously, on the keyboard and in the Run window I typed: diskmgmt.msc. The Disk Management console appeared and I immediately saw that the SanDisk Micro SD card is marked with a black band, which means that is not allocated, is not active, is not formatted.

The Disk Management console has appeared

I couldn't format it in any way, so I inserted the Windows installation disc into the DVD drive, as if I wanted to reinstall the system:

  1. I restarted the computer.
  2. The computer booted from the Windows installation disc.
  3. He asked to press a button on the keyboard to start the installation.
  4. In the next window I didn't choose the installation, but also:
  5. On the left, at the bottom of the window I clicked on the Repair your computer link.
  6. I clicked on the Troubleshoot icon.
  7. Here on the Advanced Options.
  8. Finally, on the Command Prompt button.
  9. In turn, in the Command Prompt window, I have entered the following commands:

Quick tip: Attention! Some commands contain spaces between letters, and after each command I pressed the Enter key.

  1. diskpart
  2. list disk
  3. select disk (pl. 0,1,2,3 stb)
  4. convert disk (pl. 0,1,2,3 stb)
  5. basic

Here will list the number of disks detected, of which, you will have to enter the number regarding the SanDisk Micro SD card (eg 0,1,2,3 etc.). This procedure helped restore the partition table of the device so that the Windows system detected correctly, and so I was able to format.

Quick tip: At the command line I could have inserted the following commands, which could directly format the card: 1.) - diskpart 2.) - list disk 3.) - select disk 4.) - select partition 5.) - active 6.) - format. If your computer is infected with a virus: 1.) - diskpart 2.) - list disk 3.) - select disk 4.) - clean.


Finally

After I finished, I removed the installation disc from the DVD drive, and restarted the computer. After launching the Windows system, in This PC (My Computer) I formatted the SanDisk Micro SD card. (Right click on the drive and Format).

  1. I downloaded the free program Recuva.
  2. With this program I searched all the lost data.
  3. After selecting, I saved to my computer hard drive the videos, photos, etc.

Tip

A.) If you cannot activate the card under the Windows system, try Linux. Simulate an installation with Linux and in the partition, select the SanDisk Micro SD card. It will warn that the system cannot be installed on this device, but it is sufficient, because the card has already activated, we can stop and exit the installation. Windows restarted, you can format the card.

B.) On this page is a a description of a pendrive error, but with same method can be used to SD cards. Here's the description ...


More detailed

Data Recovery Solution: If your computer's card reader sends an error message "The request could not be performed because of an I/O device error", follow these steps to resolve the error:

  • Press the keys simultaneously Windows LogoPress the keys simultaneously Windows + R R from the keyboard.
  • Press the keys simultaneously Windows Logo

  • In the Run window enter: diskmgmt.msc
  • In the Run window enter diskmgmt.msc

    Launch the console Disk Management.

  • Here we will see that the SanDisk Micro SD card is marked with a black band, which means that is not allocated, is not active, that is, it is not formatted, so it will have to be formatted.
  • The SanDisk Micro SD card is marked in black

    To fix, insert the Windows installation disc into the DVD drive, as if you would like to install the system. Restart your computer. If it does not start from the installation disk, reconfigure the BIOS. Change the boot order of the devices in the BIOS so that the drive will not be read first when starting the computer. hard disk, but the DVD or USB drive that contains the installation disk.

    Proceed as follows to configure Bios (Basic Input / Output System).

    1. Right on start, hold down the DEL or F2 button on the keyboard.
    2. Look for a similar entry: Boot priority
    3. Using the buttons on the keyboard, using the up-down, left-right arrows (happens to be F5 or F6), set the DVD or USB drive to the first boot location. Finally, press F10 to exit.
    4. After a successful transition, you will be prompted to press a button to begin the installation.

    press a button to start the installation

    If necessary, in the next window, select the language. In the next window DO NOT SELECT the installation:

  • On the left, at the bottom, click the Repair your computer link.
  • click the Repair your computer

  • Click the icon Troubleshoot.
  • Click the icon Troubleshoot

  • Click the icon again Troubleshoot.
  • Click the Troubleshoot icon again

  • Select the icon Advanced Options.
  • Select the icon Advanced Options

  • Finally, on the button Command Prompt.
  • Click Command Line

    In the Command Prompt window, enter the following commands: Warning: Some commands contain spaces between letters, and after each command press the key Enter.

    1. diskpart
    2. list disk
    3. select disk (pl. 0,1,2,3 stb)
    4. convert disk (pl. 0,1,2,3 stb)
    5. basic

  • The select disk command (for example 0,1,2,3 etc.) will list the number of disks detected, of which you will have to enter the number referring to the SanDisk Micro SD card (e.g. 0.1, 2.3 etc.)
  • Command Prompt

    This procedure can help restore the partition table of the device so that the Windows system will detect it correctly, and can format.

    Quick tip: The following commands can be entered on the command line, which could directly format the card: 1.) diskpart 2.) - list disk 3.) - select disk 4.) - select partition 5.) - active 6.) - format. SAU: If your computer is infected with a virus: 1.) diskpart 2.) - list disk 3.) - select disk 4.) - clean.


    Finally

    After you finish, remove the Windows installation disc from the DVD drive, and restart your computer. After launching the Windows system, SanDisk Micro SD card can be formatted in This PC (My Computer). Right-click on the drive and Format.

    1. Download the free program Recuva.
    2. Install. With this program look for all the lost data.
    3. Once you have selected all, save to your hard disk videos, photos, etc.

    Quick tip: Of course, in case of important data, it is recommended to use paid version recovery programs. For other serious errors, only specialized companies of this kind can help.

    END

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