No, I didn't Reject SD card reader, before un-plug. I know, it's not correct, but works fine. Just, as I said, PC in some time, when copying file by file, or whole Folder, not shows any file (Folder is empty), in the same time taken storage space.
MERGED QUESTION
Question from zetvet : "copied files from PC to SD, disappeared on SD"
When copy mp3 files from PC to SD card (with card reader), in some moment they are disappeared from folder (example Music), shows folder is empty, but in the same time storage space been used. And, if trying...
When connect my Android 6.0 phone to PC, computer shows Internal storage, only (DCIM, Pictures, only). How to get on PC screen External (SD card) storage, as well, please? (Without removing SD card and read with card reader). Thank you