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I went to update my Ubuntu version from 14.04 to 14.10 . I got a black screen with a blinking cursor at the top left corner, while updating my computer turned off, every time i boot Ubuntu i get the following 3 messages on the top left corner and then it goes to a blinking cursor

*Setting up X socket directories...                                                 [OK]

*Restoring resolver state...                                                        [OK]

*speech-dispatcher disabled; edit /ect/default/speech-dispatcher                    [OK]

saned disabled; edit /ect/default/saned

I have an ASUS K55A running windows 8.1 with Ubuntu in dualboot.

heemayl
  • 93,925

1 Answers1

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Install another display manager

When you choose between Windows and Ubuntu at boot choose the menu entry Ubuntu ... (recovery mode) and in the following menu start a root terminal/shell with network. In there do 

sudo apt-get update
sudo apt-get install gdm

When asked which display manager to use by default, choose gdm.

Another display manager will work or bring you another issue which you can investigate.

Check for failing driver installations

In the aforementioned root terminal run sudo dkms autoinstall and check that it doesn't produce any output and that it returns with 0 by running echo $? right after the command.

Kalle Richter
  • 6,519