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Message #102378
[Bug 1416634] Re: installer failed to set boot flag on UEFI
** Changed in: linux (Ubuntu)
Importance: Critical => High
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https://bugs.launchpad.net/bugs/1416634
Title:
installer failed to set boot flag on UEFI
Status in linux package in Ubuntu:
Confirmed
Status in ubiquity package in Ubuntu:
New
Bug description:
Hi,
I installed Ubuntu 14.10 but it wouldn't boot, it took several hours
to get a working system. I've managed, but I'd just like to document
this because I couldn't find any relevant writeups online and the
problem seems so simple that I'm surprised it just didn't work out of
the box.
I received a new Acer Aspire E1-572G, I took out the pre-installed
Windows disk (after just checking that it booted OK) and replaced it
with a blank SSD. I dd'd the 64-bit 14.10 to a USB key. I got the ISO
last week from www.ubuntu.com, and most of the files on it are dated
Oct 22.
After booting (with some difficulties detailed at
http://ubuntuforums.org/showthread.php?t=2263270) I installed Ubuntu,
entire disk encrypted LVM (it's a laptop after all), rebooted... and
nothing: "No bootable device -- insert boot disk and press any key". I
tried with UEFI instead of Legacy, and I get a different error message
(text graphics reminiscent of linux kernel make menuconfig) but same
meaning, nothing bootable found.
I booted the live USB to check that the disk looked OK (a half gig
"Microsoft basic" partition, then a small 244MB linux partition, then
the rest as a Linux partition. I followed the boot-repair doc on
<https://help.ubuntu.com/community/Boot-Repair>, and I used default
repair, no good. <http://paste.ubuntu.com/9959580>
The installer needed to put the bootable flag on the "Microsoft Basic"
partition, and maybe change the type to EFI also. Now that I've done
that, my laptop boots OK with Legacy or UEFI without secure boot (and
with secure boot it finds the bootable partition and says that the
security policy blocks it, which is better than totally ignoring it
like it did before). I don't understand why the installer didn't do
that, maybe a problem with choosing encrypted LVM?
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References