Sejam todos bem-vindos e fiquem atentos às regras de utilização do fórum e política de privacidade.
Ok. tive problema parecido. Simplestemete tente desinstalar tudo referente ao X. Depois execute um apt-get install -f. Nao use nome de pacote nenhum no comando.Se ainda assim nao resolver, pega a minha lista do apt e tenta. Tive esse problema com dependecia quebrada em alguns repositorios. Segue ele:cat /etc/apt/sources.list# Ubuntu supported packages (packages, GPG key: 437D05B5)deb http://br.archive.ubuntu.com/ubuntu breezy main restricteddeb http://br.archive.ubuntu.com/ubuntu breezy-updates main restricteddeb http://security.ubuntu.com/ubuntu breezy-security main restricted# Ubuntu supported packages (sources, GPG key: 437D05B5)deb-src http://br.archive.ubuntu.com/ubuntu breezy main restricteddeb-src http://br.archive.ubuntu.com/ubuntu breezy-updates main restricteddeb-src http://security.ubuntu.com/ubuntu breezy-security main restricted# Ubuntu community supported packages (packages, GPG key: 437D05B5)deb http://br.archive.ubuntu.com/ubuntu breezy universe multiversedeb http://br.archive.ubuntu.com/ubuntu breezy-updates universe multiversedeb http://security.ubuntu.com/ubuntu breezy-security universe multiverse# Ubuntu community supported packages (sources, GPG key: 437D05B5)deb-src http://br.archive.ubuntu.com/ubuntu breezy universe multiversedeb-src http://br.archive.ubuntu.com/ubuntu breezy-updates universe multiversedeb-src http://security.ubuntu.com/ubuntu breezy-security universe multiverse# Seveas' packages (packages, GPG key: 1135D466)deb http://mirror.ubuntulinux.nl breezy-seveas all# Seveas' packages (sources, GPG key: 1135D466)deb-src http://mirror3.ubuntulinux.nl breezy-seveas all# Ubuntu backports project (packages, GPG key: 437D05B5)deb http://br.archive.ubuntu.com/ubuntu breezy-backports main restricted universe multiverse# Ubuntu backports project (sources, GPG key: 437D05B5)deb-src http://br.archive.ubuntu.com/ubuntu breezy-backports main restricted universe multiverse deb http://www.os-works.com/debian testing maindeb-src http://www.os-works.com/debian testing main