2.5 -inch Toshiba mobile hard disk, HDtune test no problem, the original image and video files stored about 200 g, recently discovered the paranormal, files from the hard disk disappeared gradually, not immediately, but the hordes of, and is limited to video files and pictures, other format file completely unaffected (later found that MPG format video files are not affected), all the folder structure did not change, the rule of disappear also interesting:
1. Only video or image file, the original folder completely disappear
2. Other files are there in the original folder, such as a seed file, video files disappear at the same time will come out with a seed file name suffix file, the size of only 10 K, see below
1. The replacement of a data line, but not found the problem when using the
2. Using OTG line connection, was also not found the problem, but each time the connection after will find file in decline, I thought it was a power supply is not complete, cause documents show until become more "

Try DG scanning back, did not find the original file, hard disk space is also a lot less, had two after reading and writing, did not find any problems,
In hard disk happen this problem before, I have done the operation of the fruit,
Using network query for several days, now can find several similar condition
1. The virus, but I'm inside the file doesn't become an EXE file, the AS antivirus effect not
2. Preview software classification problem, but the problem does not affect the capacity of existing hard disk, I this effect,
3. The hard drive mechanical failure, but with a lot of scanning software, did not find any failure

So now it is running out, looking forward to each master can give some constructive Suggestions, bold speculation, I to verify, thanks a lot,

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Post for the first time, format is a little confusing, did not find the edit menu again, your understanding