New Seagate 4T drive (data only), installed and working fine suddenly "needs formatting!

kahoona

Distinguished
May 26, 2010
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18,690
I recently installed a new Seagate 4T HD. My older WD drives were failing and I moved their contents to the new one. It was working fine. Last night it suddenly became unavailable and windows says it needs a reformat before it can be used. It is Simple, Basic, Raw. Healthy (primary partition). It says
Y is not assessable . The volume does not contain an recognized file system. Please make sure that all required file system drivers are loaded and that the volume is not corrupted. How would those drivers disappear and what can I do to restore them without losing my data?
Here is more info. When it happened I was using the Seagate Disc wizard to copy a damaged disc to another good disc so that I could restore the data on it safely. This did not involve the current problem disc at all. When the cloning was complete the 4T disc was still running. The Discwizzard restarted my PC and the 4t HD was not working when I checked it.
I have scanned for viruses with AVG and Malwarebites.
It passes Seatools short test.
The OS is Windows 7 64
Any suggestions will be appreciated. I am not familiar with the more pro grade disc tools but if I knew one would work I would learn to use it.
 
Solution
I did find a solution which I hesitate to relate because it might not be the correct one but it worked for me and it was all I could figure out. I reformatted with a quick format and then I used Recuvra, which is free, to recover all of the files with the deep scann. I probably have 90% of the files recovered. They do not have names and will have to be sorted and named but they are there.

kahoona

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May 26, 2010
125
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18,690
I am guessing that this problem must be hard to solve. It has happened to many people and I have not found a solution. I can reformat and then use a data recovery program to try to recover the data as a last ditch solution but there has to be some way of repairing the software on the drive! If I can find anything I will post it here.
 

kahoona

Distinguished
May 26, 2010
125
0
18,690
I did find a solution which I hesitate to relate because it might not be the correct one but it worked for me and it was all I could figure out. I reformatted with a quick format and then I used Recuvra, which is free, to recover all of the files with the deep scann. I probably have 90% of the files recovered. They do not have names and will have to be sorted and named but they are there.
 
Solution

Twitchel

Reputable
May 29, 2015
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4,510
Not an answer but a comment. Does Seagate and other drive manufacturers make this a problem so you have to go to them to pay some outrageous fee to get your data back. They know that the data is worth more than the drive to us. If this is just Seagate, I won't be buying anything else from them. When I called technical, all they could suggest was mailing the drive to them, and for $499 they would send it all back, maybe. I would think a tech would know why my computer recognized the drive, but not the files. I'm guessing it's a ROM/BIOS/PCB problem. If I can figure that out, a tech should already know it. Their second best answer was to purchase the $99 File Recovery software. Still a steep price for fixing a brand new drive. I feel cheated and angry. Thankfully, I have the most important files copied to a couple of other sources. Still, I lose about half my music and videos.