HDD Failing, has "End to End" threshold exceeded, how do I back up?

riconoz

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Jan 24, 2016
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Hi all. My primary archive HDD (which I'd only partly backed up) has begun to fail. It's a 2Tb Seagate SATA, and not all that old - approx 2 years. OS: Win7.

Anyway, what's happened is that recently the HDD has begun playing up severely.
Late last year (I don't generally use the desktop it's in all that often), my PC was turned off by my landlady during a large file transfer without my permission (I was at work at the time and door unlocked).
Afterwards, I noticed that the HDD in question would initially appear upon Boot up in the Windows Root Directory within Windows, and also within Disk Management within the "Computer Management" screen, and its internal files and folders could be seen within Windows. But then, after me trying but failing to access files on it, the whole HDD would just "disappear". During the attempt to access files, the whole PC would almost grind to a halt.
After this happened, I noticed within Disk Management that the HDD was reported as "failed".
I didn't hear any unusual noises coming from the HDD/PC at any stage.

At the time I was disbelieving and I must admit a bit blase since the HDD was comparatively new, and I tried several times to reboot and access data but to no avail. I was forced to still use the PC for other duties as well, during this period.

Recently, I've tried to use Chkdsk before booting into Windows, but both times it failed (saying "unknown error"); and during the process listed probably 1000s of files that were "unreadable".
I've since installed "Hard Drive Inspector", and the report on the HDD said that it had exceeded the "End to End" threshold, and although it said the error wasn't critical warned that the HDD had exceeded its lifespan and that "death time" had been met.
Needless to say I was shocked.

Obviously I know the HDD's in trouble, and that I need to get the data off it ASAP. My question here is, considering the problems I've had already with trying to access/copy the files, just what steps do I need to do in order to salvage the data, some of which is very important?

 
Solution
I can't recommend specific recovery tools since I never had success with the free ones that I tried and my important data always is backed up at least twice or more. You'll have to clone the drive sector by sector and it's more efficient when it's connected directly to the motherboard. Once cloned, then I presume you'll attempt recovery of the cloned drive.

riconoz

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Jan 24, 2016
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4,510
Thanks GhislainG. As I said it was partly backed up (majority), and I was in the process of backing up the rest when the data transfer was interrupted. What software tools do you recommend, free or otherwise? Can software do the job of backing it up, or will I need to have data transferred at a specialist centre?
Also, it's been recommended to me to install the HDD in a USB case and connect it to the system, and then clone it. A mate of mine said that the internal HDD uses the CPU more whereas the external accesses the USB controller. Personally, I wouldn't have thought that it would make a difference, but I'm willing to give it a try if it works. Do you or anyone else have an opinion regarding this?
 
I can't recommend specific recovery tools since I never had success with the free ones that I tried and my important data always is backed up at least twice or more. You'll have to clone the drive sector by sector and it's more efficient when it's connected directly to the motherboard. Once cloned, then I presume you'll attempt recovery of the cloned drive.
 
Solution

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