[Bug 1040557] Re: UEFI boot live-usb bricks SAMSUNG 530U3C, np700z5c laptop

[Steve Langasek]

On Wed, Nov 28, 2012 at 12:30:05AM -0000, Tristen wrote:
> Hey, not good news for some of you, but at least I finally found others,
> this is pretty much exactly what happened after I upgraded from 12.04.
> The difference is I have a Toshiba Satellite L505D-S5965.

This does not at all describe the issue at hand.  An upgrade would not cause
an Ubuntu system to start using UEFI where it didn't before, and the problem
here is already present when booting 12.04 in UEFI mode on an affected
Samsung system.  While it's possible a bug left you with a non-booting
system on upgrade, it's unlikely that the upgrade bricked your laptop - to
"brick" the laptop means that the hardware can no longer boot *any* OS, not
just that your current install is non-bootable.

Either way, this is unrelated to the present bug report and you should file
a separate bug.

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https://bugs.launchpad.net/bugs/1040557

Title:
  UEFI boot live-usb bricks SAMSUNG 530U3C,np700z5c laptop

Status in Ubuntu CD image build software:
  Confirmed
Status in Release Notes for Ubuntu:
  Invalid
Status in Release Notes for Ubuntu quantal series:
  Fix Released
Status in “shim” package in Ubuntu:
  Invalid
Status in “shim” source package in Quantal:
  Invalid

Bug description:
  I cannot provide detailed log massages because laptop is bricked right
  now.

  If you have courage to try it select UEFI boot from bios and than try
  to boot laptop using liveusb (made form Precise Pangolin 12.04.1
  amd64).

  Laptop hangs up in black screen. If you force power-off, after it,
  laptop wont start. I mean it not event start bios, just black screen
  no sounds nothing.

  I filing this report, because i already bricked second laptop. At
  first i thought it was unrelated issue and laptop was fixed by
  warranty service (replaced motherboard), but after second time i quite
  sure.

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