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I am running Ubuntu 12.04 LTS and since updating the kernel via the update manager from 3.2.0-110 to 3.5.0-18 I am having a peculiar issue. When starting the computer Ubuntu will load the log in screen repeatedly in very quick succession. It takes about half a minute before it stabilises and I can finally log in. The computer works fine after log in, only sometimes it will randomly log out the session.

I am not sure what causes the problem. Based on similar questions I reconfigured light dm but this led to the problem that I couldn't log in as I got a low-graphic error. This error also occasionally persists. Sometimes after log in there is an error report, one time concerning xorg and another was for unity-greeter.

Does anyone have suggestions how to fix this problem?

horseoftheyear
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1 Answers1

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I may suggest you to reinstall the grub.

In terminal do:

sudo update-grub

you will see now in which partition Ubuntu is installed (most of the time is this sda)

Then reinstall grub:

sudo grub-install /dev/sda

( sda can be different in your system ).

Julien Chau
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