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When I change my video card server to the Nvidia dirver, then when I log out, when I log in again, it turned back. Later, I changed the driver to Nouveau. When I reboot, the screen is a blank screen, there is no top menu bar, as well as the application. Then, I purged the nouveau driver and install the nvidia agian and again, the problem is the same.
I also tried some answers of Ubuntu 16.04 + Nvidia Driver = Blank screen, but it doesn't work, so how can I roll back to the original state when I didn't change the driver.
Here is my screen capture:
application screen shot
additional driver and application panel

and the alt-tab key can't be used. But I can open the terminal through the mouse right click menu.

Community
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zhenguoli
  • 286

1 Answers1

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Mostly, that's the problem of your DE (GNOME, Lxde etc.), not the driver. Probably, the window manager fails to start, so you need to either reinstall your WM or your DE. Also you may try to run WM by yourself. Hope that helps.

propertyofjesus
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