Yesterday a friend brought me an external hdd. When I plugged the hdd in my system, the device started but it failed to migrate. In the event viewer i get the following error:

After that i went to the disk manager and I found out that disk is shown up as 2TB disk when it actually is 500GB. (Seagate 9sd2a4-500)

I've tried to recover partition with testdisk but in the note it says:

Disk IS incorrect size, HD jumper settings should be ok (it is an external hdd - I didn't open the enclosure), BIOS won't detect the device, I have the latest OS patches and disk drivers. Even with that I tried to recover the partition with no luck.

After that, I've installed easeUS Partition manager and tried to remake partition with no luck. When it asks to select a partition from a list nothing shows up and I can't proceed.

I'm out of ideas, what else should I try? I have access to a Linux laptop (Ubuntu) if someone suggests something to try with linux.

Excuse me if I didn't write something properly but I'm a first time poster here.

First of all, take the drive out of the external chase and connect it directly to the computer.

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Rescue IT Datarecovery service Sweden
Rescue IT Dataräddning Göteborg AB
http://www.rescue-it.se

I connected the hdd via sata in my PC, it doesn't get recognized. Again, it shows up only as a name in device manager and when trying to initialize it there is an I/O error. I think it's busted.

is drive spinning at all without any clicking sound ?

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Data Recovery Pakistan