внешний жесткий диск не обнаружен UBUNTU 12.10

Мой внешний жесткий диск 1 ТБ не обнаружен Ubuntu 12.10.

**lsusb:**

Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:6409 Microdia Webcam
Bus 002 Device 003: ID 046d:c03d Logitech, Inc. M-BT96a Pilot Optical Mouse
Bus 002 Device 004: ID 046d:c315 Logitech, Inc. Classic New Touch Keyboard
Bus 002 Device 007: ID 059b:0070 Iomega Corp. 



**sudo fdisk -l:**

Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0006ec0d

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048  1242566655   621282304   83  Linux
/dev/sda2      1242568702  1250263039     3847169    5  Extended
/dev/sda5      1242568704  1250263039     3847168   82  Linux swap / Solaris




**sudo blkid:**

/dev/sda1: UUID="9d449e79-8917-497f-aa4c-59fb3bcb21ee" TYPE="ext4" 
/dev/sda5: UUID="ea2d407e-0b84-4d6e-9004-5b3536a899fd" TYPE="swap"