Desktop screen disappeared on upgrading Ubuntu 16.04 LTS to 18.04 LTS

What video hardware are you using please?

GEForce GT520 SILENT NVIDIA graphic card having 2GB DDR3 is used.

What is the output of:

dpkg -l | grep nvidia

Thanks

The output of "dpkg -l | grep nvidia" is as under:

------------------------------ OUTPUT------------------------------------------------------------------------------------------------------------------------
ii libnvidia-cfg1-390:amd64 390.48-0ubuntu3 amd64 NVIDIA binary OpenGL/GLX configuration library
ii libnvidia-common-390 390.48-0ubuntu3 all Shared files used by the NVIDIA libraries
ii libnvidia-compute-390:amd64 390.48-0ubuntu3 amd64 NVIDIA libcompute package
ii libnvidia-compute-390:i386 390.48-0ubuntu3 i386 NVIDIA libcompute package
ii libnvidia-decode-390:amd64 390.48-0ubuntu3 amd64 NVIDIA Video Decoding runtime libraries
ii libnvidia-decode-390:i386 390.48-0ubuntu3 i386 NVIDIA Video Decoding runtime libraries
ii libnvidia-encode-390:amd64 390.48-0ubuntu3 amd64 NVENC Video Encoding runtime library
ii libnvidia-encode-390:i386 390.48-0ubuntu3 i386 NVENC Video Encoding runtime library
ii libnvidia-fbc1-390:amd64 390.48-0ubuntu3 amd64 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-fbc1-390:i386 390.48-0ubuntu3 i386 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-gl-390:amd64 390.48-0ubuntu3 amd64 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii libnvidia-gl-390:i386 390.48-0ubuntu3 i386 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii libnvidia-ifr1-390:amd64 390.48-0ubuntu3 amd64 NVIDIA OpenGL-based Inband Frame Readback runtime library
ii libnvidia-ifr1-390:i386 390.48-0ubuntu3 i386 NVIDIA OpenGL-based Inband Frame Readback runtime library
rc nvidia-375 384.111-0ubuntu0.16.04.1 amd64 Transitional package for nvidia-384
ii nvidia-384 390.48-0ubuntu3 amd64 Transitional package for nvidia-driver-390
ii nvidia-compute-utils-390 390.48-0ubuntu3 amd64 NVIDIA compute utilities
ii nvidia-dkms-390 390.48-0ubuntu3 amd64 NVIDIA DKMS package
ii nvidia-driver-390 390.48-0ubuntu3 amd64 NVIDIA driver metapackage
ii nvidia-kernel-common-390 390.48-0ubuntu3 amd64 Shared files used with the kernel module
ii nvidia-kernel-source-390 390.48-0ubuntu3 amd64 NVIDIA kernel source package
rc nvidia-opencl-icd-384 384.111-0ubuntu0.16.04.1 amd64 NVIDIA OpenCL ICD
ii nvidia-prime 0.8.8 all Tools to enable NVIDIA's Prime
ii nvidia-settings 390.42-0ubuntu1 amd64 Tool for configuring the NVIDIA graphics driver
ii nvidia-utils-390 390.48-0ubuntu3 amd64 NVIDIA driver support binaries
ii xserver-xorg-video-nvidia-390 390.48-0ubuntu3 amd64 NVIDIA binary Xorg driver
---------------------------------------------------------------------------------------------END--------------------------------------------------------------------

Basically proprietary video drivers donodo well when you upgrade to a newer release of Ubuntu.

If you uninstall the driver, reboot then reinstall the driver you should be OK.

Sir,
Your instruction to (1) Uninstall the driver (2) Reboot and (3) Reinstall the driver was followed as under through application of he following stuffs and the results are mentioned along with the content as under:

(1) Uninstall the driver
sudo apt-get purge nvidia*

(2) Reboot

(3) Reinstall the driver (Install Latest Nvidia Driver)

sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt update
sudo apt install nvidia-390

As per the process instruction also applied:
sudo apt –fix-broken install
Then Updated & Upgraded and Reboot the system

Also allowed 3-4 hours to stabilize the boot process but finally it shows the stable black screen having last line
 “fsckd-cancel-msg: Press: Ctrl+C to cancel all file system checks in progress”
as mentioned in the original main question at the top of this question.

(4) Checked Nvidia Module by the command:

lsmod | grep nvidia

And the OUTPUT is as under:

nvidia_drm 40960 252
nvidia_modeset 1110016 1 nvidia_drm
nvidia 14340096 1 nvidia_modeset
drm_kms_helper 167936 1 nvidia_drm
drm 401408 255 nvidia_drm,drm_kms_helper
ipmi_msghandler 53248 2 nvidia,ipmi_devintf

I also removed, cleaned and refitted DVI/Output cable from Monitor and CPU but the situation is the same. Just screen fonts and letters clarity improved.

In tty console, when a welcome screen appears after login and password, along with the normal information of the OS version etc. following information also appears which may be important :

-----------------------------------------------------------------

* Canonical Livepatch is available for installation.
-Reduce System reboots and improve kernel security. Activate at:
https://ubuntu.com/livepatch

3 packages can be updated
0 updates are Security updates

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings.

Your Hardware Enablement Stock (HWE) is supported until April 2019.

-----------------------------------------------------------------------

But I am unable to understand its meaning and implication and how to use that information through commands etc. on this tty screen due to my poor and weak knowledge of the computer and linux/ubuntu ! Of course, my Internet connection is working fine all the way yet why it says “..Check your Internet connection or proxy settings...” I can't understand

Please guide further to get back the usual Login Screen with a GUI.

Guidance from someone is awaited. Please.

This question was expired because it remained in the 'Open' state without activity for the last 15 days.

Somehow, I couuld not get any feedback suggestion /guidance/solution to my captioned issu.
Finally, I downloaded the .iso for Ubuntu-18.04-desktop-amd64-LTS and burnt the DVD for installation.

While installation, luckily I found an option for REINSTALLATION. So, I applied it and reinstalled
the O.S. Resultantly the desktop screen with login etc appeared but mainly TWO problems appeared: (1) Resolution and (2) Wi-Fi net conectivity.
I repeated the reinstallation with the same DVD but the issue persis.
Tried other ways and means too solv e the issue – but could not.

Finally through HELP, referred to “Networking, web & email”. Finallly it was found that the DRIV ER for wi-fi dongle of NetGear was not installed.

At last I connected the internet througth Wired connection and updated and upgraded the system an d finally b oth the issued i.e,. (1) Resolution and (2) Wi-Fi net conectivity RESOLVED.

Now the system is fully UPGRADED fron Ubuntu 16.04 to 18.04 and working.

So the issue “Desktop screen disappeared on upgrading Ubuntu 16.04 LTS to 18.04 LTS” is completely solved.
THAN KS to ALL

 Sir,This question  is n ot appearing in my questions/answers list (i.e. Questions : Navin Talati) ?Where iit apears?

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Questions : Navin Talati

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    On Thursday, 21 June, 2018, 8:22:59 PM IST, Navin Talati <email address hidden> wrote:

 Your question #669283 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/669283

Navin Talati posted a new comment:
Somehow, I couuld not get any feedback suggestion /guidance/solution to my captioned issu.
Finally, I downloaded the .iso for Ubuntu-18.04-desktop-amd64-LTS and burnt the DVD  for installation.

While installation, luckily I found an option for REINSTALLATION. So, I applied it and reinstalled
the O.S. Resultantly the desktop screen with login etc appeared but mainly TWO problems appeared: (1) Resolution and (2) Wi-Fi net conectivity.
I repeated the reinstallation  with the same DVD but the issue persis.
Tried other ways and means too solv e the issue – but could not.

Finally through HELP, referred to “Networking, web & email”. Finallly it
was found that the DRIV ER for wi-fi dongle of NetGear was not
installed.

At last I connected the internet througth Wired connection and updated
and upgraded the system an d finally b oth the issued  i.e,. (1)
Resolution and (2) Wi-Fi net conectivity RESOLVED.

Now the system is fully UPGRADED fron Ubuntu 16.04 to 18.04 and working.

So the issue “Desktop screen disappeared on upgrading Ubuntu 16.04 LTS to 18.04 LTS” is completely solved.
THAN KS to ALL

--
You received this question notification because you asked the question.

Now the system is fully UPGRADED from Ubuntu 16.04 to 18.04 and working and the issue “Desktop screen disappeared on upgrading Ubuntu 16.04 LTS to 18.04 LTS” is completely solve.
THAN KS to ALL