In the command prompt, type the following command and hit Enter.Ĭhkdsk H : /f (H is the drive letter of USB drive. Step 2. Check if your drive has bad sectors. You can press Win + R to summon the Run window, then type cmd.exe and click OK. To recover data using CMD, just see below: Solution 1: Recover data from flash drive using CMD
Solution 2: Recover files from backup image. Solution 1: Recover data from flash drive using CMD. Because it may contain their precious memories or work documents that cannot afford loss. When flash drive is corrupted, most users may choose to recover data first. 2 solutions to fix a corrupted flash drive without losing data If you directly format USB, all your files will go forever. When you receive one of the message above, you need to backup files before formatting first, then you have a chance to recover files from corrupted drive. "You need to format the disk before using it". "USB Device Not Recognized or Malfunctioned". The virus has infected the flash drive and corrupted the files in it. USB drive shows 0 bytes or "folder is empty". "Please Insert Disk into Removable Disk". USB drive is blank or has an unsupported file system. USB drive holds bad sectors and displays "disk needs to be formatted". Then, I will list the common scenario in the following. And you are not able to open USB stick and the data on it. 
That's to say, your flash drive may be corrupted or damaged. Sometimes, your computer will ask you to format the USB flash drive. Why does my flash drive says it need to be formatted?
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