Hi Tim,
Regarding my comment #66, it always happens on every reboot now. I have no idea
what causes this. Please check the following exact steps that I did:
1, Install https://github.com/paradoxxxzero/gnome-shell-system-monitor-applet
extension manually by git clone
2, Alt+F2, then "r", Enter, to reload gnome-shell. Monitor becomes black.
3, Switch to VT1 and sudo reboot
4, Login to gnome-shell becomes black from now on at every reboot.
5, I removed the extension by "rm -rf ~/.local/share/gnome-shell/extensions/".
6, even if with the extension removed, Login to gnome-shell becomes black
screen at every/all reboots.
Since this happens without that extension, I don't think the extension is the
cause. I don't know much about gnome-shell and I have no idea what's going on.
The workaround I found in comment #66 is not always working. Swiching btw VT1
and VT7 may not bring the screen back. I tried many times today, it does not
come back this time. But I can confirm that gnome-shell is actually runing,
because I can hear the beep sound if I launch terminal by "Ctrl+Alt+T" and then
press "Backspace" button.
Reply to your comment #68, I added your ppa and installed gdm.
$ dpkg -l | grep gdm
ii gdm 3.10.0.1-0ubuntu4~trusty2
amd64 Next generation GNOME Display Manager
ii gir1.2-gdm-1.0 3.10.0.1-0ubuntu4~trusty2
amd64 GObject introspection data for the GNOME Display
Manager
ii libgdm1 3.10.0.1-0ubuntu4~trusty2
amd64 Next generation GNOME Display Manager (shared
libraries)
It does not really work. The current behavior is different from the old
behavior though. I am not sure if this is caused by my layout problem or
not. What I see is a twinkling/flickering screen in gdm. (sorry about my
english word, not sure which word is correct). The gdm screen is
twinkling/flickering between black (off) and gray background forever. I
tried to switch to VT1 and then back to VT7, first time, I saw error
popup message "Could not switch the monitor configuration, could not set
the configuration for CRTC 652". and then I close this popup. and swtich
to VT1 again and back to VT7, I saw another similar popup error window
"Could not switch the monitor configuration, could not set the
configuration for CRTC 63". and then I closed the window again and
switch to VT1 and back to VT7. The gdm screen becomes gray background
with a "X" mouse cursor forever. This is what happens. Again, hopefully,
my words make sense. PS: I am getting sick/crazy with this issue. LXDE
works fine, but nvidia-settings in LXDE shows "CRT-0 (VGA-0)" only. This
is wrong too even if lxde actually works fine with 1366x768 resolution
from my eyes.
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https://bugs.launchpad.net/bugs/1288572
Title:
Nvidia driver does not work in Ubuntu GNOME trusty "14.04" (Optimus
laptop)
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