No output from fdisk -l /dev/sda #fdisk -l /dev/sda
# fdisk /dev/sda Unable to read /dev/sda lsscsi shows the disk is connected # lsscsi [7:0:0:0] cd/dvd _NEC DVD+RW ND-2100AD 1.28 /dev/scd0 [8:0:0:0] disk ST380020 A /dev/sda This is the dmesg from running fdisk -l /dev/sda # dmesg [17312846.148000] sd 8:0:0:0: SCSI error: return code = 0x10070000 [17312846.148000] end_request: I/O error, dev sda, sector 0 [17312846.148000] Buffer I/O error on device sda, logical block 0 [17312846.172000] sd 8:0:0:0: SCSI error: return code = 0x10070000 [17312846.172000] end_request: I/O error, dev sda, sector 8 [17312846.172000] Buffer I/O error on device sda, logical block 1 [17312846.192000] sd 8:0:0:0: SCSI error: return code = 0x10070000 [17312846.192000] end_request: I/O error, dev sda, sector 16 [17312846.192000] Buffer I/O error on device sda, logical block 2 [17312846.212000] sd 8:0:0:0: SCSI error: return code = 0x10070000 [17312846.212000] end_request: I/O error, dev sda, sector 24 [17312846.212000] Buffer I/O error on device sda, logical block 3 [17312846.232000] sd 8:0:0:0: SCSI error: return code = 0x10070000 [17312846.232000] end_request: I/O error, dev sda, sector 0 [17312846.232000] Buffer I/O error on device sda, logical block 0 -- I/O errors with USB to IDE converter https://launchpad.net/bugs/81059 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs