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a few days ago I ran into a blue screen issue after downloading some updates. Since then I've been searching for information and trying countless procedures to solve it, to no avail.

Here's some info which I hope will be useful:

  • My computer: a 2008 Packard Bell PC, Intel Core 2 Quad CPU 2.4 GHz processor, 4 GB of RAM, Geforce 9300 GE graphics card.
  • Kernel version: 3.13.0-46-generic
  • Ubuntu version: 14.04.2 LTS

At a very high level here's what I've tried so far:

  • uninstalling then reinstalling Vidia drivers,
  • installing X Updates PPA,
  • installing Gnome interface (which I actually can't even access)

Please advise, your help will be greatly appreciated.

March 01st Update:

Hello, here are today's results:

  • compizconfig-* worked, thanks very much

  • The 1st solution of thread 17381 didn't restore the GUI but displayed

    compizconfig - Info: Backend : ini
compizconfig - Info: Integration : true
compizconfig - Info: Profile : default
Segmentation fault (core dumped)

  • the 2nd solution of thread 17381 returned (I'm just quoting what I think can help, ie the error messages): 

    Glib-warning **: In call to g-spawn-sync(), exit status of a child
process was request but ECHILD was received by waitpid(). Most likely
the process is ignoring SIGCHLD, or some other thread is invoking
waitpid() with a non positive first argument; either behavior can
break applications that use g_spawn_sync either directly or
indirectly.

dconf-WARNING **: failed to commit changes to dconf: Error spawning command line 
'bus-launch --autolaunch=dfa6290d0169f2653223ea790000000000c --binary-syntax--
close-  stderr': Child process killed by signal 43
(...)
Info: Unity is fully supported by your hardware
Info: Starting plugin: openg1

I didn't try creating a script as suggested in thread 457016 as I know I'll make a mess of it, especially through CLI. It seems like we're doing good progress but there's still a few hurdles on the way :)

March 01st Update #2:

I tried running startx and I could see the desktop and the files that are located there, however I have no wallpaper (but a blue background) and no taskbar and vertical iconbar. I can open the text files but not the pictures.

Badabing
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1 Answers1

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try it this way in terminal:

sudo add-apt-repository ppa:bumblebee/stable

sudo apt-get update && sudo apt-get upgrade

sudo nvidia-xconfig

Then login to tty Ctrl+Alt+F1 

sudo apt-get remove --purge nvidia*

sudo apt-get install --reinstall ubuntu-desktop

sudo apt-get install bumblebee bumblebee-nvidia primus linux-headers-generic

sudo reboot

When it's booted to make sure run:

sudo nvidia-xconfig

gksudo nvidia-settings
JoKeR
  • 7,062