Score:1

Ubuntu 20.04 not booting after upgrading from 18.04

tl flag

Ubuntu 20.04 not booting after upgrading from 18.04 on my dell vostro 460 pc. I updated it sucessfully and it booted, but the keyboard was unresponsive during the dual boot. So I tried to update the grub from the terminal. After that I restarted and it is not booting instead showing a black screen with a - (hyphen) blinking. I tried to repair the boot using a live usb and used this code in the terminal

sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt update
sudo apt install -y boot-repair && boot-repair

Still the problem is not resolved.

edit: This also I tried to update the input devices for the keyboard issue during the dual boot

sudo apt-get install --reinstall xserver-xorg-input-all
Talaat Etman avatar
gt flag
update your question by boot-repair report please
MANI avatar
do flag
what is the result of ```boot-repair```?
Arjun Sabu avatar
tl flag
The `boot-repair` went well
Score:1
gt flag
  1. choose advanced options in boot-repair
  2. in grub options choose purge kernels then reibstall last kernel

    enter image description here
Arjun Sabu avatar
tl flag
I tried this and still it is not booting
Arjun Sabu avatar
tl flag
edit: This also I tried to update the input devices for the keyboard issue during the dual boot 'sudo apt-get install --reinstall xserver-xorg-input-all'
Talaat Etman avatar
gt flag
can you see advanced options for ubuntu in the boot menu, if you can see this try to boot to the old kernel
Arjun Sabu avatar
tl flag
Yes, I did the purge kernels option and it is still not booting
Talaat Etman avatar
gt flag
not in boot-repair i mean in boot menu
Arjun Sabu avatar
tl flag
ok, yes i can see the option there, but the keyboard is not working for me when it is booting up
Talaat Etman avatar
gt flag
see this answer to solve keyboard problem https://askubuntu.com/a/820957/1698042
Arjun Sabu avatar
tl flag
Keyboard issue is solved. What to do next?
Talaat Etman avatar
gt flag
try your boot menu entrys if you can not boot use boot-repair
Arjun Sabu avatar
tl flag
Tried that too...still nothing
Arjun Sabu avatar
tl flag
Found the issue and it is resolved. The issue is with graphics of the Nvidia package and found one solution from the dell support [link](http://www.dell.com/support/kbdoc/en-in/000129836/ubuntu-log-in-problems-after-running-updates#Issues_after_updates)
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