However, Data loss often happens on USB flash drive as well. Some of
them are caused by the products of USB, others due to the false
operation of it. Here are some typical reasons that cause data loss:
1. Windows system asks you to format USB drive and you accidently
press “Format”;
2. Mistakenly or carelessly delete files from USB flash drive and
cannot find them in the recycle bin or trash bin;
3. The drive was attacked by virus and files get hidden or deleted;
4. Not properly remove the USB drive from computer when the data was
still transferring;
5. The file system of USB drive was displayed as raw;
7. Hardware malfunction
It is really frustrated if you find crucial documents, previous
pictures or applications lost. Are there any methods to get them back?
Data loss caused by hardware malfunction will be very hard to restore.
You have to ask the help of professional technician. For other cases,
you can rely on some USB flash drive data recovery program to help
you. Once loss data, you should stop using USB any more in case the
data was overwritten. There we recommend you Card Data Recovery to
help you rescue USB flash drive data.
Step1. Download Card Data Recovery, save it to your computer’s desktop
and double click on it to open the program;
Step2. Insert SanDisk USB flash drive into USB port of your PC;
Step3. Run Card Data Recovery and select SanDisk device from the drive
selection drop-down menu. Click “scan” to scan the USB drive and you
can find deleted or lost items will be displayed in the task list;
Step4. Select the files you wish to recover from USB drive and click
“Recovery” button. Card Data Recovery allows you to preview files
before recovery.
Card Data Recovery also supports recovering data from SanDisk memory
card, SD card, mobile SDHC card, etc.
Resources: http://www.card-data-recovery.com/usb-data-recovery.htm