EDIT:
I tried the solutions suggested in Unity doesn't load, no Launcher, no Dash appears. that helped a little, thank you!
I have launcher and dash back, but not the top bar.
(basically, I re-installed unity and installed ccsm)
I can access terminal now via dash, but not via rightklick -> open with, and not via shortcut.
--- original post ---
after an update and reboot, the sidebars and start menu disappeared. at startup, a window opens which asks me to enter a password for locking the device. I tried to enter a password or press cancel, in both cases the window reappears empty, after the second time it disappears.
files and folders on the desktop are still visible, I can open them, but the top bar is missing. I can open files in all applications by right-clicking -> open with.
one application seems to be missing: terminal. I have tried the keyboard shortcut and right klick -> open with. in "open with", terminal is not listed, the keyboard shortcut does nothing.
I can get into console mode by the shortcut, though. I have tried:
sudo update
sudo upgrade
re-installing the graphic drivers
installing different open source graphics drivers
starting in graphics failsafe mode
starting with former kernel versions, also in failsafe mode
I don't get error messages when doing all this but status is the same.
- I also tried installing the intel proprietary graphics for ubuntu, but there is an error message, both in software center and console, about some version of something being too new for the driver.
I am writing this from memory, since this concerns a friend's computer which I don't have with me right now. sorry about the missing details. I will add them later if necessary.
does anyone have an idea what this is about?
apt-get install ubuntu-desktopthat should do it. – Mohit Rajan Mar 06 '16 at 13:00