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I'm running Ubuntu 14.04, I've got a Gigabyte gtx-960 gpu and nvidia drivers installed. Yesterday I set up Synergy, and it was working smoothly. Today once I get to the login screen, every time I log in, it flashes a black screen and returns me to the login screen.

In my limited experience, it seems like xorg is crashing immediately. I've tried the solutions I could find here, including:

  • logging into a different user (same problem)

  • creating a new user (same problem)

  • logging in via ctrl+alt+Fn (n = {1-6}) and then doing the following

  • delete the .Xauthority file
  • reinstalling unity
  • switch to gdm (which actually made things worse: just gives me a black screen, whenever I hit ctrl+alt+F3 or something, the appropriate screen will show for ~10 seconds, then go black again. I can run commands during that time, and so could switch back to lightdm, but when I type on a black screen, it doesn't do anything).
  • edit: tried switching to gnome and xubuntu, no luck. This time before kicking me out a pop-up with "System program problem detected - Do you want to report the problem now?"

I've checked .xsession-errors, although honestly I'm not too sure what to make of it... in case it's useful, here's the output:

xlib: extension "GLX" missing on display ":0".
xlib: extension "GLX" missing on display ":0".
Script for ibus started at run_im.
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: gnome-session (Unity) main process (2791) terminated with status 1
init: at-spi2-registryd main process ended, respawning
init: unity-settings-daemon main process(2781) killed by TERM signal
init: logrotate main process (2688) killed by TERM signal
init: update-notifier-crash (/var/crash/lightdm.0.crash) main process (2722) killed by TERM signal
init: update-notifier-crash (/var/crash/_usr_bin_compiz.1000.crash) main process (2729) killed by TERM signal
init: update-notifier-crash (/var/crash/_usr_lib_ibus-ui-gtk3.1000.crash) main process (2732) killed by TERM signal
init: update-notifier-crash (/var/crash/_usr_lib_ibus_ibus-ui-gtk3.1002.crash) main process (2738) killed by TERM signal
init: update-notifier-crash (/var/crash/_usr_sbin_vbetool.0.crash) main process (2744) killed by TERM signal
init: xsession-init main process (2778) killed by TERM signal
init: hud main process (2785) killed by TERM signal
init: Disconnected from notified D-Bus bus
init: indicator-bluetooth main process (2883) killed by TERM signal
init: indicator-datetime main process (2889) killed by TERM signal
init: indicator-sound main process (2891) killed by TERM signal
init: indicator-printers main process (2894) killed by TERM signal
Community
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Steve Heim
  • 123

1 Answers1

1

There might be a problem with your Desktop Environment. Use the tty login to install an alternative DE, such as gnome or KDE. Then try logging in via lightdm or gdm(whichever you use) and install the Desktop Environment that you are comfortable with. I had the same issue a while back and I managed to solve it. Hope this helps!

Sandeep Neupane
  • 499