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Thread: External Hard Drive Booting Problem

  1. #1
    Join Date
    Nov 2012

    Question External Hard Drive Booting Problem

    I recently setup Ubuntu 12.10 on an external hard drive.

    Here’s my setup:

    HP Dragon Laptop

    - Internal drive(sda) : 200GB (Windows Vista)
    - External drive 1(sdb): USB hard drive (Buffalo 1.5TB)
    - External drive 2(sdc): USB hard drive (Buffalo 1.5TB)
    - External drive 3(sdd): USB hard drive with Linux partitions at the beginning (/boot, /, swap) followed by NTFS data partition, and with sdd set as the boot loader device (Buffalo 2.0TB)

    When I first went to boot up from the external hard drive, I got the following error:

    Non-system disc or disc error
    replace and strike any key when ready

    However, after disconnecting my other external hard drives I got the computer to boot into Ubuntu. Considering I have next to no experience with a Linux distro I'm quite pleased I got it to work at all. But if possible I would like to be able to boot into Ubuntu without having to unplug my other hard drives first.

    My guess at the moment is that something that was pre-installed on one of the other drives is messing with the boot sequence causing problems booting up. Any one have an idea of how to fix this problem?

  2. #2
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 16.04 Xenial Xerus

    Re: External Hard Drive Booting Problem

    Some BIOS will only see one bootable external device?
    Does you system show external bootable devices as hard drives?

    My laptop will only boot with one USB port used. But my Desktop will show all the flash drives installed but as hard drives.
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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