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. Solution 1: Recover data from flash drive using CMD How to fix corrupted flash drive without losing data? The first and most important thing is to recover data and then resolve the corrupted flash drive. Part 1: Recover data from corrupted flash drive All your files are marked as unimportant and kept intact here. When you format the drive, you just remove the directory of it. In this case, you need to pay attention to the following things:Įven if you format the USB thumb drive, the problem is not too big. Every file has its structure, including directory and blocks, thus you can easily restore your data withou losing any of them. But, to be honest, this operation is not recommended, because it can delete all of your data on this drive. Usually, when you are asked to format your USB drive, you will format it subconsciously. How to fix a corrupted flash drive without formatting "You need to format the disk before you can use 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". 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. My flash drive says it needs to be formatted
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