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I formatted my seagate external hard disk with NTFS using Ubuntu Disk Utility. After that it is bricked, and now I cannot see it as a hard disk in mac /ubuntu /windows, the device can be detected by computer.

Disk Details:
- Brand: seagate expansion portable drive
- Model: SRD00F1
- Serial: NA42Q8HM - Size: 1TB

Problems:

  • when I set internal hard drive as first boot, the usb external drive, when plugged in, will make the computer failed to boot from internal hard drive.
  • diskpart and disk management can only work when they are open first and then plug in the usb hard drive, otherwise they will stuck. (see pics below)
  • sometimes when I plug in, the disk change to readonly and I follow this post, I didn't work for me.

I tried many times and also failed many times. What should I do? Is there anyway to reset hard drive?

Related Images (sorry I don't have rights to post images)

  • [BIOS recognize usb hard disk]
  • [Disk management can see hard disk but stuck]
  • [Disk change to readonly]
  • [Diskpart can see the disk]
  • [Device Manager detect usb hard disk]
  • [diskpart list volume not work]
  • [change readonly fail]

1 Answer 1

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You can write zeros to the drive. This will erase all the data that is on the HDD and will reset it to factory defaults. Look for a software with a DOS version to avoid using Windows.

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  • DOS can not recognize my external usb hard drive, any tools suggested to do zero fill in my usb external hard drive. Tks. Feb 6, 2015 at 3:04
  • You can have a look at Hiren's BootCD it has some useful HDD tools. Feb 6, 2015 at 15:24
  • My favorite is Western Digitals "Data Lifeguard" tools, I use it in windows for zero fill.
    – Moab
    Feb 8, 2015 at 1:06
  • @Techpumpkin_WD I have tried Hiren's BootCD. The Dos tool inside can not recognize hdd. Feb 8, 2015 at 3:48

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