First, USB connected to the computer after the best not to operate the file directly in the U disk, first copy it to the computer and then operate!
Second, USB use is completed, please do not connect a long time on the computer, run out of it should be unplugged!
Third, after the use of USB, please delete the computer at the bottom of the hardware and then pull U disk, otherwise it is easy to cause file loss!
Fourth, do not just format the USB
Important documents please keep a good backup, please do not cut to transfer files, it is best to use copy! Data loss may be caused by sudden power outages, power supply instability, human abnormal plug-in, accidentally deleted, mistakenly formatted, virus damage, static damage, encryption and permissions, firmware upgrades, electromagnetic interference, and so on.