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  1. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    amazingly, even my CUDA works

    ./deviceQuery
    ./deviceQuery Starting...

    CUDA Device Query (Runtime API) version (CUDART static linking)

    Detected 1 CUDA Capable device(s)

    Device 0:...
  2. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    the latest 440 branch driver is not available from the ppa. when i download it from nvidia and try to install it thusly (after doing sudo telinit 3 and opening a root terminal w ctrl-alt-f1)


    $...
  3. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    thank you Bashing-om for helping me


    lsb_release -a
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description: Ubuntu 18.04.4 LTS
    Release: 18.04
    Codename: bionic
  4. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    Well I did and got back to the desktop. Software update wanted to redo the upgrade so I let it. It also wanted remove all the CUDA code because it said it was obsolete. I let it do that too. Now I am...
  5. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    Can I simply do this:

    sudo apt install --reinstall linux-image-generic
  6. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    @catkiller
    Thank you for your reply
    But since I am pretty ignorant of Linux internals, I cannot decipher what you said.
    I can burn a new Linux to a usb and boot from it. But from there, can I do a...
  7. Re: 18.04 LTS black screen after video card upgrade 4.15.0-50

    I tried
    Sudo apt-get update
    Sudo apt-get upgrade
    Rebooted to same black screen

    I tried the ‘nomodeset’ solution and now I get this



    https://imgur.com/gallery/byxf5OR
  8. 18.04 LTS black screen after video card upgrade 4.15.0-50

    Dell 8930 w Nvidia 1050ti with Linux kernel 4.15.0-50 was running fine. I had the Nvidia drivers loaded and my machine was useful. However I needed a better gpu for ML so I swapped out to a Nvidia...
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