[Bug 1512811] Re: 15.10 32 bit download gives error when run from usb

[Phillip Susi]

We need to ascertain what is causing the problem first.  Yes, the 32 bit
install works fine for most people.

dd is a command to copy data around.  Assuming the usb stick is
/dev/sdb, you can use it to copy the iso image to the stick with:

sudo dd if=ubuntu-etc.iso of=/dev/sdb

Make sure it really *is* /dev/sdb before doing this, and note that this
will wipe out all files on the usb stick, but this method may work for
you.  If it does, then it indicates there is something odd about your
bios that is tripping up syslinux.  If not, at least grub has a command
line that we can use to further identify what is going wrong with your
bios and see if it can be worked around.

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https://bugs.launchpad.net/bugs/1512811

Title:
  15.10 32 bit download gives error when run from usb

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  There seems to be a problem with the grub when trying to use 15.10, 32 bit downloaded from the official Ubuntu site.
  The 64 bit version works fine.
  If I take ubuntu-15.10-desktop-i386.iso and use it to define a new virtual machine in virtual box, again all works well.
  Only if I use Startup disk creator to burn it to a usb disk on key there is a problem.
  Instead of Try Ubuntu coming up I immediately get a boot error.

  I tried downloading a second version of the iso and the problem
  repeated. Also if I download xubuntu-15.10-desktop-i386.iso the
  problem also appears.

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