black screen after selecting nouveau drivers for nvidia chipset and rebooting

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enter image description hereOK, this is a cascade of issues and I don't know what to do anymmore.



  1. My screen was staying black for too long (maybe 10 seconds) after logging in on Ubuntu 18.04 with regular gnome3 desktop. So I decided to check my graphics drivers. I had nvidia 390 drivers and I read online there were some issues with them, so I tried to switch back to the 340 drivers which were apparently available in "additional software".

  2. That didn't work. I rebooted and the display still took a long while to come on. I checked which drivers were in use, and it actually reverted to the Nouveau drivers. Apparently there was a problem with 'installing/selecting' the 340 drivers because some file could not be modified because of permission issues. I thought "hey OK but if it only reverted to Nouveau just now it might boot fine next time" so I rebooted again.

  3. That didn't work either and now the screen just remains black permanently (can't even try to log in). So I try to change TTY to fix this graphical problem.

  4. That doesn't work either, because for some reason after about 3 seconds every time the TTY is automatically switched back to... TTY7 I guess? and for 0.5 seconds the following text is shown (see image) before it blanks again.

  5. As a last resort I would just reinstall the whole OS BUT I can't do that either because I have no USB stick (it broke) and no CD drive. I installed from an ISO on disk which I loaded manually, but I cant do that again because well, the GRUB menu timer is set to 0 seconds. And I can't change that easily because every 3 seconds my TTY changes back to TTY7 which is blank and useless.

Please help, I'm all out of ideas. What can I do? I'd prefer very much to just revert to the nvidia 390 drivers and just accept the long login time. Is there a command for that which doesn't take painstakingly long to type while you constantly have to switch TTYs?



UPDATE: OK, suddenly my TTY stopped switching automatically and I could restore usage of the Nouveau drivers (apparently somehow they weren't really selected after all) using information from this post: How to change proprietary video driver using the command line?. I'm now back at square 1 but at least I can still use my computer.







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    enter image description hereOK, this is a cascade of issues and I don't know what to do anymmore.



    1. My screen was staying black for too long (maybe 10 seconds) after logging in on Ubuntu 18.04 with regular gnome3 desktop. So I decided to check my graphics drivers. I had nvidia 390 drivers and I read online there were some issues with them, so I tried to switch back to the 340 drivers which were apparently available in "additional software".

    2. That didn't work. I rebooted and the display still took a long while to come on. I checked which drivers were in use, and it actually reverted to the Nouveau drivers. Apparently there was a problem with 'installing/selecting' the 340 drivers because some file could not be modified because of permission issues. I thought "hey OK but if it only reverted to Nouveau just now it might boot fine next time" so I rebooted again.

    3. That didn't work either and now the screen just remains black permanently (can't even try to log in). So I try to change TTY to fix this graphical problem.

    4. That doesn't work either, because for some reason after about 3 seconds every time the TTY is automatically switched back to... TTY7 I guess? and for 0.5 seconds the following text is shown (see image) before it blanks again.

    5. As a last resort I would just reinstall the whole OS BUT I can't do that either because I have no USB stick (it broke) and no CD drive. I installed from an ISO on disk which I loaded manually, but I cant do that again because well, the GRUB menu timer is set to 0 seconds. And I can't change that easily because every 3 seconds my TTY changes back to TTY7 which is blank and useless.

    Please help, I'm all out of ideas. What can I do? I'd prefer very much to just revert to the nvidia 390 drivers and just accept the long login time. Is there a command for that which doesn't take painstakingly long to type while you constantly have to switch TTYs?



    UPDATE: OK, suddenly my TTY stopped switching automatically and I could restore usage of the Nouveau drivers (apparently somehow they weren't really selected after all) using information from this post: How to change proprietary video driver using the command line?. I'm now back at square 1 but at least I can still use my computer.







    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      enter image description hereOK, this is a cascade of issues and I don't know what to do anymmore.



      1. My screen was staying black for too long (maybe 10 seconds) after logging in on Ubuntu 18.04 with regular gnome3 desktop. So I decided to check my graphics drivers. I had nvidia 390 drivers and I read online there were some issues with them, so I tried to switch back to the 340 drivers which were apparently available in "additional software".

      2. That didn't work. I rebooted and the display still took a long while to come on. I checked which drivers were in use, and it actually reverted to the Nouveau drivers. Apparently there was a problem with 'installing/selecting' the 340 drivers because some file could not be modified because of permission issues. I thought "hey OK but if it only reverted to Nouveau just now it might boot fine next time" so I rebooted again.

      3. That didn't work either and now the screen just remains black permanently (can't even try to log in). So I try to change TTY to fix this graphical problem.

      4. That doesn't work either, because for some reason after about 3 seconds every time the TTY is automatically switched back to... TTY7 I guess? and for 0.5 seconds the following text is shown (see image) before it blanks again.

      5. As a last resort I would just reinstall the whole OS BUT I can't do that either because I have no USB stick (it broke) and no CD drive. I installed from an ISO on disk which I loaded manually, but I cant do that again because well, the GRUB menu timer is set to 0 seconds. And I can't change that easily because every 3 seconds my TTY changes back to TTY7 which is blank and useless.

      Please help, I'm all out of ideas. What can I do? I'd prefer very much to just revert to the nvidia 390 drivers and just accept the long login time. Is there a command for that which doesn't take painstakingly long to type while you constantly have to switch TTYs?



      UPDATE: OK, suddenly my TTY stopped switching automatically and I could restore usage of the Nouveau drivers (apparently somehow they weren't really selected after all) using information from this post: How to change proprietary video driver using the command line?. I'm now back at square 1 but at least I can still use my computer.







      share|improve this question













      enter image description hereOK, this is a cascade of issues and I don't know what to do anymmore.



      1. My screen was staying black for too long (maybe 10 seconds) after logging in on Ubuntu 18.04 with regular gnome3 desktop. So I decided to check my graphics drivers. I had nvidia 390 drivers and I read online there were some issues with them, so I tried to switch back to the 340 drivers which were apparently available in "additional software".

      2. That didn't work. I rebooted and the display still took a long while to come on. I checked which drivers were in use, and it actually reverted to the Nouveau drivers. Apparently there was a problem with 'installing/selecting' the 340 drivers because some file could not be modified because of permission issues. I thought "hey OK but if it only reverted to Nouveau just now it might boot fine next time" so I rebooted again.

      3. That didn't work either and now the screen just remains black permanently (can't even try to log in). So I try to change TTY to fix this graphical problem.

      4. That doesn't work either, because for some reason after about 3 seconds every time the TTY is automatically switched back to... TTY7 I guess? and for 0.5 seconds the following text is shown (see image) before it blanks again.

      5. As a last resort I would just reinstall the whole OS BUT I can't do that either because I have no USB stick (it broke) and no CD drive. I installed from an ISO on disk which I loaded manually, but I cant do that again because well, the GRUB menu timer is set to 0 seconds. And I can't change that easily because every 3 seconds my TTY changes back to TTY7 which is blank and useless.

      Please help, I'm all out of ideas. What can I do? I'd prefer very much to just revert to the nvidia 390 drivers and just accept the long login time. Is there a command for that which doesn't take painstakingly long to type while you constantly have to switch TTYs?



      UPDATE: OK, suddenly my TTY stopped switching automatically and I could restore usage of the Nouveau drivers (apparently somehow they weren't really selected after all) using information from this post: How to change proprietary video driver using the command line?. I'm now back at square 1 but at least I can still use my computer.









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      edited Jun 10 at 16:26
























      asked Jun 10 at 16:10









      PDiracDelta

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