sudo dd if=[PATH TO YOUR .iso FILE] of=/dev/sd[THAT 1 LETTER]

/dev/sda1 contains a file system with errors, check forced.
Inodes that were part of a corrupted orphan linked list found.
/dev/sda1: UNEXOECTED INCONSISTENCY; RUN fsck MANUALLY.
           (i.e., without -a or -p options)
fsck exited with status code 4
The root filesysten on /dev/sda1 requires a manual fsck
BusyBOX v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.
(initramfs)

lubuntu@lubuntu:~$ sudo lsblk -f
NAME   FSTYPE  LABEL             UUID                                 MOUNTPOINT
sdb    iso9660 Lubuntu 16.10 i386
│ 2016-10-12-19-57-58-00               /cdrom
└─sdb1 iso9660 Lubuntu 16.10 i386
  2016-10-12-19-57-58-00
zram3                                                                 [SWAP]
zram1                                                                 [SWAP]
sr0
loop0  squashf                                                        /rofs
sda
├─sda2
├─sda5 swap                      d9768f8d-7bc2-4579-b96a-24351278b21a [SWAP]
└─sda1 ext4                      90f2499b-90b1-49b0-ab74-303d9f410c2f
zram2                                                                 [SWAP]
zram0                                                                 [SWAP]
lubuntu@lubuntu:~$