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[SOLVED] iomega external usb hard drive not formatted

This is a discussion on [SOLVED] iomega external usb hard drive not formatted within the Hard Drive Support forums, part of the Tech Support Forum category. I have a 320GB Hi-Speed USB 2.0 Desktop Hard Drive connected to a dell inspiron 600m laptop running XP. This


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Old 12-23-2007, 05:18 PM   #1
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I have a 320GB Hi-Speed USB 2.0 Desktop Hard Drive connected to a dell inspiron 600m laptop running XP. This drive has been working fine for about a year. I've been using it to auto and manually backup pictures and music. I recently disconnected it for about a week. When I tried to reconnect it, the drive gets mapped but when I click on the drive I get the message:

The disk in drive F: is not formatted. Do you want to format now?

I've tried changing the drive letter, and have connected it to 2 other machines with the same results.

Any suggestions or recommendations would be appreciated.

- mestran

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Old 12-24-2007, 07:27 AM   #2
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Is there anything on it that would be lost if you wiped it? It sounds like somehow the Filesystem got messed up, and you have to reformat it.

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Old 12-24-2007, 04:36 PM   #3
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yes, all my pictures and music...the inspiron only has 40 gbs, so I moved everything to the external drive.

does anyone have a recommendation for a freeware or low-cost data recovery app?
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Old 12-24-2007, 05:57 PM   #4
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Use this thread along with its instructions to recover your data for free:

http://www.techsupportforum.com/f16/...er-194492.html
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Old 12-27-2007, 03:05 PM   #5
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when running testdisk, the command window does not allow me to select the F: drive (where the external drive is mapped). It allows selection of 2 partitions, and the D: drive (the CD drive). But the F: drive is not listed.

Note that the F: drive appears in windows explorer when the external drive is turned on, and disappears when it's turned off.

Any ideas?
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Old 12-27-2007, 03:40 PM   #6
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Hi,
How did you format the F: drive?

Run TestDisk again, but follow these steps:

At the first window, select “No Log” and press the <Enter>
New window - please post back with a screenshot.
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Old 12-27-2007, 05:23 PM   #7
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If I remember correctly, the drive was formatted by the manufacturer. I just plugged it in and began using it.

...having trouble copying into this reply, so I'm including a word doc with the screen shot.
Attached Files
File Type: doc Doc1.doc (41.0 KB, 64 views)
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Old 12-27-2007, 05:59 PM   #8
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The second drive from the top in the screenshot is your external drive. I have marked it red :
Click image for larger version

Name:	td55.jpg
Views:	74
Size:	40.3 KB
ID:	21272
Follow the steps you did before, but choose the "red" drive.

Please post back if there are any problems.
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Old 12-28-2007, 08:41 AM   #9
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Is the drive OK now?
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Old 12-28-2007, 08:51 AM   #10
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no, I wasn't given the option to write, as your instructions said to do -- screen shot attached:
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File Type: doc Doc2.doc (40.0 KB, 47 views)
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Old 12-28-2007, 09:05 AM   #11
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OK.
The boot sector has been damaged.
At the screen you posted - choose Backup BS, then press <Enter> and proceed.

After that - restart TestDisk and follow the steps you did before.
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Old 12-28-2007, 11:45 AM   #12
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I followed your instructions, then restarted my laptop (during the restart Windows gave me a message that F: is dirty). After restart, I get a different message when trying to access F:

F:\ is not accessible.
The file or directory is corrupted and unreadable.

Should I re-run TestDisk?
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Old 12-28-2007, 12:05 PM   #13
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Yes.
You have to reboot after every change you make in TD.
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Old 12-28-2007, 12:48 PM   #14
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I re-ran testdrive, restarted windows, and am getting the same message when selecting F:\ in windows explorer:

F:\ is not accessible.
The file or directory is corrupted and unreadable.

I'm also getting a windows error message during the restart that says something to this effect:

checking F:\
volume is dirty
appears to be a non-XP drive

Should I re-run testdrive and select T: Change Type ?

Note that I was able to list all my files in testdrive.
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Old 12-28-2007, 09:04 PM   #15
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No, don't change type in TestDisk.

Install FindAndMount.
Mount your external drive, move important data to another drive >>>> then format the external drive.
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Old 12-29-2007, 09:32 AM   #16
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FindandMount finds the partition, and says that it's successfully mounted. However, I get the following windows error message repeatedly, and cannot view the drive (see attachment).
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File Type: doc Doc4.doc (32.5 KB, 28 views)
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Old 12-29-2007, 09:37 AM   #17
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Sounds like there's something wrong with the connection/enclosure/drive - impossible to say which one.

Is it possible for you to open the enclosure and mount the drive inside a desktop PC?
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Old 12-29-2007, 09:44 AM   #18
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Do you mean install the drive as if it were an internal hard drive?
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Old 12-29-2007, 09:52 AM   #19
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Yes.
Have you tried another cable and/or USB ports?
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Old 12-29-2007, 10:00 AM   #20
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Let me try or re-try all that. The weird thing is, TestDrive is able to list all the files, so it seems like I should be able to copy them.

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