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.
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:
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.
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:
Quick tip: Attention! Some commands contain spaces between letters, and after each command I pressed the Enter key.
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.
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).
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.
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:
Launch the console Disk Management.
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).
If necessary, in the next window, select the language. In the next window DO NOT SELECT the installation:
In the Command Prompt window, enter the following commands: Warning: Some commands contain spaces between letters, and after each command press the key Enter.
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.
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.
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.