[nSLUG] Ubuntu Hard Disk Encryption
rory at unixism.org
Wed Dec 3 22:31:37 AST 2014
This really seems more like a hardware issue related to the upgrade.
Video drivers, maybe?
FWIW: none of the encryption options provided by Ubuntu involve changes
to the BIOS, all encryption is performed on top of regular partitions.
On 14-12-03 09:15 AM, William Marchant wrote:
> Hi All,
> When I installed ubuntu 14.04, several months ago, I enabled hard disk
> encryption. The computer is an old one, and there were some things I
> didn't like about the way the LTS version worked, so I decided to
> update to 14.10.
> The install was stopped by a request to enable Microsoft TTFs. This
> window could not be closed, authorized or bypassed, and after several
> hours of waiting for something to happen, I switched off the machine.
> I downloaded a copy of 14.10 and burned it to a DVD on another
> computer, and attempted to install from the DVD.
> The BIOS needed changing to permit the boot, but I found that it
> could not be changed. The message on the BIOS screen said that
> drives noted in brackets could not be made bootable. They were all
> bracketed. I assume the HD encryption system has set the BIOS so that
> the DH cannot be violated by an unauthorised user.
> When I try to restart the faulty machine, I am asked for my Disk
> Encryption Password. That part works, however, I then get a small
> blank window asking me what I want to do. There is a flashing
> cursor, but it goes away with any action of the keyboard or mouse,
> and the computer remains locked.
> I have backup of my home directory, so I am not stuck, but I am stuck
> trying to recover the usefulness of the old computer. Does anyone
> have a suggestion, or better still, a solution?
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