My sd card unmouting itself randomly

[AC Question]

My SD card unmounting randomly especially wen scarnin junk files

 

[anon(632115)]

Card on its way out or dodgy card reader. Check the card for corruption using chkdsk in Windows

 

[patquinn115]

Try a deep format with this: https://www.sdcard.org/downloads/formatter_4/
Took some hours but works for my corrupted micro sd card!