What to do if you do not see the flash drive?

Question

macOS

Situation:
I put the flash drive in Windows, copied the folder to the USB flash drive, took it out
put it in the poppy, copied the folder from the flash drive, took it out
put it in Windows - it doesn’t see the flash drive I
put it in the poppy - it doesn’t see
BUT, in the poppy, in the disk utility it sees the flash drive:

How to fix it? ?

Answer 1

Format. Or any special utility for recovering flash drives. Safe extraction should be used.