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Boot problem after updates, Ubuntu, black screen and cursor

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Old 01-16-2014
Boot problem after updates, Ubuntu, black screen and cursor
I hope this is the correct forum, please forgive a newbie. Hi all, New to linux, ubuntu, and this forum. I have enjoyed ubuntu for the past few months, but after my last update installation ubuntu would boot to a black screen and blinking cursor. If I let it sit for a while it would give the following: 12.3456789 sd 6:0:0:0 [sdb] assuming drive cache: write through .............................asking for cache data failed It would then repeat the lines above but the numbers would get higher. It would never boot. I tried a live backtrack and knoppix usbs, and when trying to access my ubuntu files I get: THIS DIRECTORY HAS BEEN UNMOUNTED TO PROTECT YOUR DATA. From the graphical desktop, click on: "Access Your Private Data" or From the command line, run: ecryptfs-mount-private --- Running the above in a terminal gave me this:ERROR: Encrypted private directory is not setup properly I would ideally want to solve this problem and boot back into ubuntu, but if not, I really want to get my files off the hard drive so I can save them before I wipe and reinstall(yes, I should have backed up) I have tried to edit the grub with nomodeset and rmmod the ums_realtek, and a few other things I have found with google. None have worked so far. Any suggestions on how to get my files back or even fix this? Thanks a million from a newbie.
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LEARN ABOUT LINUX

update-manager

UPDATE-MANAGER(8)                                             System Manager's Manual                                            UPDATE-MANAGER(8)

NAME

       update-manager - graphical management of software packages updates

SYNOPSIS

       update-manager [options]

DESCRIPTION

       Update-manager  is a frontend for the apt package management system. It allows you to perform some actions of the command line tool apt-get
       in a graphical environment.

       Update-manager is especially designed for upgrading your system, or migrating your system towards a more recent version.

OPTIONS

       For a daily use, you may launch update-manager with no options so that your system is just upgraded.

       For migration purposes, update-manager accepts some options:

       -h, --help
              Show a similar help message

       -c, --check-dist-upgrades
              Check if a new distribution release is available

       -d, --devel-release
              Check if upgrading to the latest devel release is possible

       -p, --proposed
              Try to run a dist-upgrade

       --dist-upgrade
              Try to run a dist-upgrade

ACTIONS PERFORMED DURING AN UPGRADE TO A NEW VERSION

       * eventually reinstall the package ubuntu-desktop

       * switch to an updated sources.list entries

       * adds the default user to new groups if needed

SEE ALSO

       Synaptic, sources.list, aptitude

AUTHORS

       update-manager was developed by Michael Vogt <mvo@ubuntu.com> with various contributors (see AUTHORS file)

       This manual page was originally written by Bruno Mangin and Michael Vogt <mvo@ubuntu.com>.

COPYRIGHT

       Copyright  (C)  2006-2007 Canonical

       There is NO warranty.  You may redistribute this software under the terms of  the  GNU General  Public License.  For more information about
       these matters, see the files named COPYING.

                                                                  August 2, 2007                                                 UPDATE-MANAGER(8)