How to recover lost data when volume does not contain a recognized file system? If files on the volume of great importance, you may need to follow this guide to retrieve lost data prior to formatting. If the drive does not contain any important data, you can simply format it. This error prevents users from accessing files properly and causes data loss issue.
However, if you choose Cancel, another window will show up displaying error message as below. Most users choose to click Cancel, for they do not want to lose files. There are two buttons on the message box: Format disk and Cancel. I can provide more information in necessary. I'm hoping to retrieve data and fix the error on my own. Please make sure that all required file system drivers are located and that the volume is not corrupted' I don't want to lose all files and don't want to take the drive to repair center either. The volume does not contain a recognized file system. I choose not to format disk and another error popped up 'Location is not available. When I connected it back, a message box showed up saying the first partition (E:) is not formatted and I need to format it before using it. Finally, I unplugged it and ignored the safely removal thing. Last night, there is something wrong with the disconnecting: Windows couldn't eject it. This is a 1TB Samsung portable hard drive and it has two partitions: One is used to store photos and videos and the other is for apps, games and system images. "Hello, I'm bothered by an annoying issue with my external hard drive. Tips to keep volume away from not recognized file system error.Possible causes of not recognized file system.