External Hard Drive Showing Wrong Capacity

  • 'So, a kilobyte is actually 1,024 bytes, not 1,000, which is what it says on the box. Similarly, a megabyte is 1,024 kilobytes, a gigabyte is 1,024 megabytes, and so on.'
  • Indeed, it sounds like a serious matter when system hard drive shows wrong size capacity. You might wonder what might have gone wrong with the disk for showing such unusual behavior. This could even give rise to some doubts whether data residing on hard drive are safe or not.
  • Update hard drive driver. To update hard drive driver, do as follow: Step 1. Click on “Start” and type.
Wrong

Hiya:

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Gotta new iMac 27' running El Capitan and I'm in the process of transferring my files from my old Windows machine to my Mac. The drive in question is a 3TB Seagate drive that was NTFS formatted on my Windows machine. I never partitioned it and when formatted it displayed 2.32TB of available space in Windows 10.


I connected the drive via an external enclosure and USB (2.0) cable. OS X said it couldn't read the drive, so I transferred all of my files onto another external drive on my windows machine, connected it back up to my Mac, and formatted it to the Apple standard. It did format, however it says I only have 801.57 GB capacity, 801.44 available. I've ejected the drive, reformatted it, and chose the 'Apple Partition Map' as an option and still the same. I hope I covered all the bases?

External Hard Drive Showing Wrong Capacity


Any help would be greatly appreciated, thanks!


HardExternal hard drive showing wrong capacity chart

External Hard Drive Showing Wrong Capacity Of One

- Jon K.

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iMac with Retina 5K display, OS X El Capitan (10.11.2)

External Hard Drive Showing Wrong Capacity Mac

Posted on Dec 13, 2015 10:22 AM