How to repair corrupted USB drive in Linux
If your USB drive is unreadable, unwritable, or showing a reduced size, follow the steps below.
Locate the USB drive name with lsblk.
Remove old partitions
Open fdisk and delete all existing partitions:
Type d and press enter and proceed with d and enter to delete another portion, if necessary.
New partitions
Next, we need to create a new partition.
Type n for new partition.
Type p to make this primary.
Type 1 to make this the first partition.
enter to accept default first sector and last sector.
Type w to write the new partition information
Unmount the drive:
New filesystem
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