Lost sound, printer, scanner, Skype, Google Talk update Ubuntu 11.10 Gnome Classic

I am a total idiot. I am writing the chapter 4 of my dissertation in Spansih. English is not my first language. I only knew to work with Windows, I don't like Mac. Then, my daughter told me to buy a laptop programmed for Ubuntu. She helped me with everything but she finished her bachelor in computer and left the state to get a job. When I updated from Ubuntu 10.04 all the way to 11.10 I believed it was for good. Then, I lost everything I needed like the workspaces all opened at the same time to work in my dissertation, the keyboard in Spansih, Skype, Gtalk, video and film access, the sound driver, then I found Gnome Classic and installed it. Since then, first days of June until now has been a story of learning the hard way. I went to all threads and applied, I used Terminal without any knowledge, I applied everything the nice and intelligent people in these threads say but I have error after error. I started losing all drivers, I installed everything possible from Synaptic, I destroyed Terminal. I reached the bottom and Terminal does not want to work anymore. When I google what Terminal responds I don't get anything anymore. The last message:
Committing to: /etc/
modified cups/subscriptions.conf
modified cups/subscriptions.conf.O
Committed revision 70.
Selecting previously deselected package broadcom-sta-common.
(Reading database ... 569399 files and directories currently installed.)
Unpacking broadcom-sta-common (from .../broadcom-sta-common_5.100.82.38-2_all.deb) ...
Selecting previously deselected package broadcom-sta-source.
Unpacking broadcom-sta-source (from .../broadcom-sta-source_5.100.82.38-2_all.deb) ...
Setting up dell-recovery-bootloader (1.11.2) ...
Building bootloader installer for mingw32
E: Unable to find a source package for grub2
dpkg: error processing dell-recovery-bootloader (--configure):
subprocess installed post-installation script returned error exit status 100
Setting up broadcom-sta-common (5.100.82.38-2) ...
update-initramfs: deferring update (trigger activated)
Setting up broadcom-sta-source (5.100.82.38-2) ...
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-3.0.0-22-generic-pae
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
.: 6: Can't open /scripts/casper-functions
.: 6: Can't open /scripts/casper-functions
.: 6: Can't open /scripts/casper-functions
Warning: Not updating LILO; /etc/lilo.conf not found!
Errors were encountered while processing:
dell-recovery-bootloader
root
Committing to: /etc/
added modprobe.d/broadcom-sta-common.conf
Committed revision 71.
localepurge: Disk space freed in /usr/share/locale: 0 KiB
localepurge: Disk space freed in /usr/share/man: 0 KiB
localepurge: Disk space freed in /usr/share/gnome/help: 0 KiB
localepurge: Disk space freed in /usr/share/omf: 0 KiB
localepurge: Disk space freed in /usr/share/doc/kde/HTML: 0 KiB

Total disk space freed by localepurge: 0 KiB

E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
Setting up dell-recovery-bootloader (1.11.2) ...
Building bootloader installer for mingw32
E: Unable to find a source package for grub2
dpkg: error processing dell-recovery-bootloader (--configure):
subprocess installed post-installation script returned error exit status 100
Errors were encountered while processing:
dell-recovery-bootloader
Thank you for your patience,
diazbeat

Source: http://www.linuxquestions.org/questions/showthread.php?t=4175416855&goto=newpost

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