Thursday, August 09, 2012

Solving "low graphic mode" or hang on Ubuntu after upgrade

Hi guys, if you have problem while doing update and upgrade on Ubuntu, especially on the latest Ubuntu 12.04 Precise Pangolin, you should try one or more the following solutions:
  1. Install Ubuntu desktop
    • sudo apt-get install ubuntu-desktop
    • sudo reboot
  2. Reinstall gdm/ligtdm
    • sudo apt-get install --reinstall gdm
    • sudo reboot
  3. Try the following tricks
    • sudo chown lightdm:lightdm -R /var/lib/lightdm 
    • sudo chown avahi-autoipd:avahi-autoipd -R /var/lib/avahi-autoipd 
    • sudo chown colord:colord -R /var/lib/colord
Hopefully, those tricks work for you. It works for me, Lets, try!

p.s: Although you cannot entering x-window (graphical mode), you still solve the problem via command line mode by pushing Ctrl+Alt+F1 while your PC hang!

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