Now you see files, now you don't!!

Using TestDisk to repair the filesystem
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Starboy1
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Joined: 27 Aug 2013, 15:13

Now you see files, now you don't!!

#1 Post by Starboy1 » 28 Aug 2013, 21:18

I have a 3Tb Seagate drive which seems to be misbehaving.
When viewing image thumbnails in an Explorer window on my Windows 7 64 bit desktop computer, there were some gaps where the image thumbnails should have been. When I tried to click on the area where an image should be, Explorer locked up and the computer became unresponsive. My computer crashed and required a System Restore in order to make it work.
I have attached the Seagate to the same Windows 7 computer, a MacBook, Linux virtual machine on the Macbook, and Windows 7 as a BootCamp computer on the Mac. I have also used a Linux boot disc on the Windows 7 computer. On some occasions I have been able to see the folders on the drive. On some occasions, I can see the files as well. I have managed to copy one file from the Seagate on to another drive when using the Windows 7 desktop.
Every time I try to look inside a folder, Explorer crashes and the computer becomes unresponsive until I restart the computer.
In Windows Explorer, I can sometimes right click on the drive icon and select Properties. This is not always possible. I try to start chkdsk, but the dialogue window then just disappears. On some occasions when I have tried to use chkdsk, I have had a message saying that chkdsk is not available for Raw drives.
Computer Management shows the Seagate drive as being an NTFS drive with an 8Mb partition, which I am guessing is my MBR.
I have read the advice on your site, and have not formatted the disk, nor have I written anything to it.
I have tried TestDisk, but either get read errors for 24 hours after which time I stopped the test, or the program reports that it cannot see the partitions. I seem unable to save a log file.
I have tried Recuva, Gparted, and have had no luck in seeing the drive.
I hope the screen shots help in a diagnosis, and wonder if you can help me get my drive back?
Attachments
9 Read errors all the time.jpg
I tried an analysis with Test Disk. I ran past 108% and reported read errors all the time. After 24 hours I stopped so that I could try other options.
9 Read errors all the time.jpg (30.42 KiB) Viewed 792 times
7 Properties of damaged drive.jpg
Windows reports that the drive is visible, but won't open the files.
7 Properties of damaged drive.jpg (71.6 KiB) Viewed 792 times
6 MBR partition on left side.jpg
The C drive is at the top. The damaged drive is at the bottom. There is an 8Mb partition on the left which is shown Unallocated. I wonder if this is the damaged section?
6 MBR partition on left side.jpg (105.62 KiB) Viewed 792 times

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cgrenier
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Re: Now you see files, now you don't!!

#2 Post by cgrenier » 06 Sep 2013, 07:54

The disk is probably physically damaged. Try to clone it to a new disk as described in
http://www.cgsecurity.org/wiki/Damaged_Hard_Disk

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