I was installing (at the stage of "copying files...") Linux Mint from a SD card with uncompressed .iso file in a USB Flash drive (it already had installed an old version of LM) when the current went off.
I couldn't install it again.
gParted does not load drives if the flash drive is already installed. I have to remove it and then plug the drive. Then it loads the device, does not show partition sde1 and all options are greyed but options
1) Device -> Create Partition.
2) Device -> Attempt data rescue
3) Format -> ext4 selected but got held despite "it might take a long time"
I tried format it in Mac and Windows unsuccessfully (as FAT32).
At Ubuntu 18.04
sudo lsblk -f /dev/sde
[sudo] password for user: NAME FSTYPE LABEL UUID MOUNTPOINT sde iso9660 Linux Mint 19.3 Cinnamon 64-bit 2019-12-13-16-58-44-00 └─sde1 ext4 Linux Mint 19.3 Cinnamon 64-bit 0937a8f9-54d3-4705-ba68-73cb4e6bedeb
sudo fsck -p /dev/sde1 fsck from util-linux 2.31.1 /dev/sde1: recovering journal
hanged up for several hours
sudo lsblk -m /dev/sde
NAME SIZE OWNER GROUP MODE sde 29,8G root disk brw-rw---- └─sde1 29,8G root disk brw-rw----
sudo mount /dev/sde1 /mnt doesn't work
Bus 001 Device 006: ID 05dc:a83a Lexar Media, Inc. Couldn't open device, some information will be missing
I installed mksub. Tried options "restore to a standtard storage device" and "wipe a device" a but always the procedure got held for a long time
sudo dd if=/dev/zero of=/dev/sde bs=1M count=40 and any of dd variations get held