How check bad block in hard disk drive via Linux Mint or Ubuntusylviabrowyn (26)in #badblock • 8 years ago (edited) 1.Identify the partition via Disks or similar program. (my target partition is /dev/sdc6 which indicates the 6th partition in my third external hard drive) 2.Unmount the partition 3.Open terminal & run: sudo badblocks -wsv /dev/sdc6 #linux-mint #ubuntu