How to recover data from a USB flash drive that is not detected by a computer

How to recover data from a USB flash drive that is not detected by a computer


Data recovery from a flash drive, memory card. Description of work on recovering data from damaged flash drives (USB-flash, SD / microSD, CF memory cards) and SSD disks. How can you recover the lost information from a medium that is not recognized by the system, or is it mechanically damaged. The article tells how the specialists of the data recovery laboratory save hopelessly lost files from popular media - flash drives and memory cards.



How to recover data from a USB flash drive that is not detected by a computer


You will need



  • The hardware and software complex for data recovery is available at the Inter Laboratory; knowledge and experience, are available at the Laboratory specialists


Instructions


1


We find out the reason why the flash drive is notis determined by the computer. To do this, first open the "device manager" and look for your flash drive (memory card) among the disk devices. If found, go to the "disk manager" and look at how much the flash drive was defined. If the flash drive is not in among the disk devices, or the disk manager specified the wrong volume (much less, more, or a message like "no media"), go to the second step. If the carrier is correctly identified by the system, then most likely, a malfunction of a logical nature and can be solved programmatically.


2


We open the case of a flash drive and determine from which itconsists and whether it is possible to unzip it for data recovery. Dissolve (namely, we solder the memory chips, as seen in the picture to the article) and flash the contents of the flash drive by the programmer.


3


We analyze the contents of the memory dump (file with"raw" content of memory chips), separate user data from service information, perform the necessary conversions with user data: check for inversion, in-page conversions, operations on multiple pages, etc. We form blocks from the dump for the subsequent assembly of the virtual image.


4


We determine the assembly algorithm inherent in this typecontroller and parameters for assembling the finished image from individual blocks. We collect the virtual image and save the result (user data). As a result, we have: a partially disassembled USB flash drive (or memory card), which you can hardly fix, and given their rather low cost, the carrier can be neglected, plus saved data!