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Last night I as trying to update the flash player plugin, by following the steps from here.

sudo apt-get install firefox ubuntu-restricted-extras

Because the connection was slow and I was remaining without power, I've tried to cancel the command. It didn't get canceled so I've closed the terminal window and shout down the laptop.

Now, I can login as a root and I have access to the terminal but it has a lower screen resolution. Also I've lost wireless and wired sections on System Settings->Network.

I'll like to know if I can restore Ubuntu to the previous system state? Can I do it from the damaged state or from a LiveCD? Which is more safety?

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Try following Command one by one in terminal

sudo apt-get update --fix-missing
sudo dpkg --configure -a
sudo apt-get install -f

If this wasn't fix the problem try this

sudo apt-get install ubuntu-desktop
  • I did those commands and I think they fixed my faulty update attempts. Unfortunately it didn't fix my broken ubuntu. How can I fix the network problem first? – rda Feb 25 '15 at 12:08

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