First backup everything valuable on the partition to some external media, like external microSD or your PC. And then apply a fresh file system to it with Code: sudo gainroot umount /dev/mmcblk0p1 mkfs.vfat /dev/mmcblk0p1 mount /dev/mmcblk0p1 /home/user/MyDocs
sudo gainroot umount /dev/mmcblk0p1 mkfs.vfat /dev/mmcblk0p1 mount /dev/mmcblk0p1 /home/user/MyDocs