Go to System-→Administration-→Update_Manager-→Upgrade_to_9.04

Fix gdm error:

sudo apt-get install ubuntu-artwork
sudo apt-get install ubuntu-gdm-themes
sudo gdmsetup  # Choose default.

Revert to Classic Desktop:

  1. Close applications.

  2. Go to Preferences.

  3. Use scroll bar to go to bottom of the icons.

  4. Click on "Switch Desktop Mode".

  5. Choose "Classic Desktop".

Enable Webcam:

  1. On boot Press "F2".

  2. Go to "Advanced".

  3. Go to "Onboard Devices Configuration".

  4. Go to "Onboard Camera".

  5. Enter and up arrow for "Enabled".

  6. "F10" + Enter save and exit.

Fix Other Messy Problems

sudo apt-get remove compiz-core sudo apt-get autoremove

wget http://launchpadlibrarian.net/26020903/desktop-switcher_0.4.6_i386.deb sudo dpkg -i desktop-switcher_0.4.6_i386.deb gconftool-2 --set /desktop/gnome/session/required_components_list --type list --list-type=string ["windowmanager","panel","filemanager"] gconftool-2 --recursive-unset /apps/panel # Maybe not necessary.