If you are getting the message 'The USB disk is not formatted, do you want to format it now?' or similar when you plug your USB flash drive in your computer then do not despair, your data may not be lost. In nearly all cases we can recover your data from the USB flash drive and transfer to DVDs or other media type.
USB drive is corrupted / crashed due to improper usage such as strong pulling out or unexpected PC shutdown in process of data writing.
There are some buffers on your Windows that disable external drive services. Try your drive in another PC
USB file system error. For example, usually a USB stick is originally formatted with FAT 16 or FAT32. But you format it to NTFS or other file system.
Incompatibilities exist between USB drive and Windows. Try your drive in another PC
In some cases we find that the memory chip itself has internal damage which is not always visible which can affect file content. Our engineers will speak to you before returning your drive.