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It's formatted to NTFS. It uses usb2. I'm using ubuntu 13.04. Works fine on windows. (which excludes cable problems). I have ubuntu on a laptop and on a pc and it's not detected on neither. It's size is about 500 GB.


Following the first link: I wrote sudo lsusb in a terminal, before and after connecting the hdd. The difference was Bus 001 Device 012: ID 14cd:6116 Super Top M6116 SATA Bridge. There it is! ("sata bridge" used to appear in the windows notification when I plug the hdd in!).

I tried this and it gives the following output:

sudo mount /dev/sdb1 /home/minow/somefolder
mount: special device /dev/sdb1 does not exist

I also tried this: sudo mount /dev/sdc1 /home/minow/somefolder but it stays with no output forever, I left it in background for about 30 min.s.

sudo fdisk -l gives out this

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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: 0xa42d04a3
 Device Boot      Start         End      Blocks   Id  System
/dev/sda1              63       80324       40131   de  Dell Utility
/dev/sda2   *       80325   102481919    51200797+   7  HPFS/NTFS/exFAT
/dev/sda3       263874558   312580095    24352769    5  Extended
/dev/sda4       102481920   263872511    80695296    7  HPFS/NTFS/exFAT
/dev/sda5       263874560   310505471    23315456   83  Linux
/dev/sda6       310507520   312580095     1036288   82  Linux swap / Solaris

Partition table entries are not in disk order

Disk /dev/sdc: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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: 0x5822aaea

 Device Boot      Start         End      Blocks   Id  System
/dev/sdc1            2048   976769023   488383488    7  HPFS/NTFS/exFAT

the part after "Partition table entries are not in disk order" takes about 5 minutes to appear.

the output of the command ls /dev/ | grep sd before and after connecting the hdd:

before:

sda
sda1
sda2
sda3
sda4
sda5
sda6

,after:

sda
sda1
sda2
sda3
sda4
sda5
sda6
sdd
sdd1

update, IT SHOWED THE FILES!! the command sudo mount /dev/sdd1 /home/minow/somefolder worked!!! I just left it for some while and got back and there it is!! Thanks a million!! :) :)

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Since you are sure, then here it is: please provide extra information. –  January Jul 11 '13 at 16:36
    
Can you assure that it is no hardware problem like a broken cable? Does it work on other computers? Also, please remove the device and start the program "terminal" and type "ls /dev/ | grep sd". Then do the same while the device is connected and switched on. Please copy everything from the terminal and edit it into your question. –  chocobai Jul 11 '13 at 16:36
    
my idea was that you tell me what you need to know, sry. I will edit the title. I did forget some basic information. –  Mina Michael Jul 12 '13 at 17:06
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2 Answers

up vote 3 down vote accepted

Here's what worked...

open a terminal and input ls /dev/ | grep sd then plug in the usb hard disk and wait just a while... input ls /dev/ | grep sd again (on the same terminal or another terminal, doesn't matter)

you should find an extra line (or two) the second time you input the command. Memorize or save the extra line somewhere; we'll use it later.

input sudo fdisk -l in a terminal window... it should show you lots of text. wait for at least 5 minutes until the "user@host:~$" thing appears again (the statement that has your user name and computer name) ... GIVE IT ALL THE TIME IT NEEDS! for me it takes 5 minutes

when it's done you can now mount the hard disk...

the command line is: sudo mount /dev/*sdc1* /home/*user*/*somefolder*

replace *sdc1* by the extra line you found when you did the first step.

replace *user* by your username (check your home folder).

replace *somefolder* by any folder that you create in your user folder.

Later on you'll only need to input sudo fdisk -l and wait for it and enter the command line with which you mount the hard disk. (the last one above)

That's what works for me, that's what I do to mount my hard disk every time. You can also check the documentation here: https://help.ubuntu.com/community/Mount/USB#Using_mount it also has other (maybe better) ways of mounting but I think this way is what works the most and is the most subtle.

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You can look here to learn about detecting devices. Detect and mount devices?

if the device is recognized, then you can try mounting the device. #mount /dev/sdb1 /home/user/someFolder

if you get errors, post them here. if you have LVM problems, you might find this helpful: http://pissedoffadmins.com/os/mount-unknown-filesystem-type-lvm2_member.html

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