HDD Not showing full capacity (dock + intel + AMD + MAC)

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schirmat

schirmat

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Aug 26, 2015
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Hi!

Hello everyone!

I have bought recently a 3TB Hitachi/Toshiba hard drive 7200RPM.

1) First time I plug it through my dock on a AMD based PC it shows 2.2TB capacity, so I think I need to format it, I open disk part, delete the volume and then BANG impossible to format, Windows is unable to format the disk.

2) So I download Partition wizard and he sees the disk with around 750GB available. It formats successfully I've tried to delete format again same, still 750GB..

3) Then I unplug my dock and plug the HDD directly to the SATA port in my mother board. Same issue.

4) Then I try the dock on my intel based PC, same 750GB capacity.

5) Then I try plug it to my MacBook pro, he sees 801GB capacity. Try to delete the volume but nothing did work...

I'm a bit desperate.. anyone has an idea of what I could try? :(

Thanks a lot for your help! :ange:
T
 
Solution
WyomingKnott
Egads! I misread the original. I'm used to seeing 3 TB drives where 750 GB can't be allocated to partitions and thus sticks around as unused space, once 2.2 TB is allocated to partitions. In your case, the drive shows as having a total size of 750 GB. I have never seen that before.

Sorry that I answered the wrong question the first time around. Now my first guess is that the drive is defective, although I might try removing all the partitions and re-initializing the drive as a test first. To the best of my knowledge Windows won't re-initialize a drive, only initialize a blank one, but I may be wrong. You could try a tool like Parted Magic if I was right.

And I can't even guess as to why there's an EFI system partition on...
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WyomingKnott

WyomingKnott

Legenda in Aeternum
Aug 29, 2006
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Egads! I misread the original. I'm used to seeing 3 TB drives where 750 GB can't be allocated to partitions and thus sticks around as unused space, once 2.2 TB is allocated to partitions. In your case, the drive shows as having a total size of 750 GB. I have never seen that before.

Sorry that I answered the wrong question the first time around. Now my first guess is that the drive is defective, although I might try removing all the partitions and re-initializing the drive as a test first. To the best of my knowledge Windows won't re-initialize a drive, only initialize a blank one, but I may be wrong. You could try a tool like Parted Magic if I was right.

And I can't even guess as to why there's an EFI system partition on it - I thought that those only went on bootable drives. You didn't make this bootable, did you?
 
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Solution
schirmat

schirmat

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Aug 26, 2015
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:( no actually this appeared after I tried to use the ''repair disk'' feature of the mac disk utility.
I think it's defective as well something is not right..
thanks for your help! :)
 
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schirmat

schirmat

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Aug 26, 2015
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4,510



Hi!

Actually I think this is my issue: http://www.servethehome.com/fix-746gb-3tb-hard-drive-issue/ however I'm not teksavvy enough and don't understand what should I look for to upgrate on my machine? or is it on the drive itself that I need to update something?

THanks for your help!!
Tristan

 
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