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external harddisk not recognised- malfunctioned device. need to recover data

external harddisk which has some important data went - uninitialised disk and not recognising in external harddisk seagate

is there any third party paid software where I can recover data fastly ??
need it ASAP
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David Johnson, CD
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I have used EaseUS recovery it is a paid app but well worth it.

Unless your disk has some physical fault, i hope it will work for you
There are many programs for data recovery.  A couple were mentioned by David already.
But, in many cases the drive is failing, and the longer you run it, the more chance it will fail.
So what we like to do is to use another drive of same or more capacity and hook them both up to a computer and boot to Linux, then use DDRescue to make a forensics clone, bit for bit copy of the drive to good media.
Then do the recovery on the good drive, as it is much less likely to fail while you are working on it.
If the data in question is valuable, don't mess around with software solutions. These MAY be helpful, they MAY make matters worse. Best would be to get the drive to a company who do data recovery; this will give you the best chance of recovering the most data.

Not sure where you are, here in Australia I would recommend this mob: https://www.payam.com.au/

Cost may run to a few thousand USD, if it is a difficult problem requiring extensive, complex work.
i have usd  GDB and found it the best : http://www.runtime.org/
you can run it for free, and see what it can recover - you only pay for storing the data.

but if you have hardware problems - like in the usb chain - then a software cannot help
what is the exact model of the external drive?
Finally a question where simple (repair install, reinstall Windows) advice won’t work.
If the drive shows that it is not initialized in Windows then try GetDataBack from runtime as advised earlier.
If this fails you will need to take the drive out of usb enclosure and connect it directly to SATA port and try GetDataBack again.
I'd like to second some of the things that have been mentioned:

If the data is REALLY important, don't power the drive up anymore and send it to a reputable recovery shop.  Expect to pay $500-$2,000 (US) for recovery.

If the price is out of your range, remove the drive from the USB enclosure and do an exact duplicate of it.  I usually use a physical duplicator (about $30).  The only risk here (other than you getting Source and Destination backwards!) is that the drive fails further because of the additional hours of power-on time.

Then try to recover from the copy.  I like GetDataBack (mentioned above) and have used it successfully many times.

Nothing new in my post... just trying to reiterate the good advice you've gotten.
i would like to know the exact model, to be able to tell if the drive can be separated from the box, and connected to a sata cable