Ubuntu 16.04 сломанные пакеты после новой установки

После новой установки Ubuntu 16.04 я сломал пакеты и не могу установить большинство приложений. Я попытался с Synaptic «Исправить сломанные пакеты», но он не работает. Пример:

sudo apt-get install steam

Выход;

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 steam:i386 : Depends: libc6:i386 (>= 2.15) but it is not going to be    installed
          Depends: libstdc++6:i386 (>= 4.3) but it is not going to be installed
          Depends: libx11-6:i386 but it is not going to be installed
          Depends: libudev1:i386 but it is not going to be installed
          Depends: libxinerama1:i386 but it is not going to be installed
          Depends: libtxc-dxtn0:i386
          Depends: libgl1-mesa-dri:i386 but it is not going to be installed
          Depends: libgl1-mesa-glx:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Другой пример:

sudo apt-get install nvidia-361

Выход;

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 nvidia-361 : Depends: lib32gcc1 but it is not going to be installed
              Depends: libc6-i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

sudo apt-get clean

Я пытался:

sudo apt-get install -f

Выходы;

Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Спасибо ..