Black screen after upgrade from 18.04 to 20.04

Asked Oct 25 '20 at 16:45

Active Oct 25 '20 at 17:53

Viewed 140 times

My Ubuntu does not boot. I tried to upgrade from 18.04 to 20.04, but something happened during this process. Now it does not boot. I booted it using live USB, installed boot repair and made a check of my system: https://paste.ubuntu.com/p/kKnSZGX3z2/

Then, I tried to repair boot, here is the report: https://paste.ubuntu.com/p/cdMCxJXNGJ/

But after repair it is still not loading.

I tried to use this answer:

"dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting But i can't make a terminal to appear by using CTRL+ALT+F2 to F7, How can I fix that?

Please help me figure out what is wrong. Thank you.

edited Oct 25 '20 at 17:53

Angelos

asked Oct 25 '20 at 16:45

Serghei Leonenco

"But i can't make a terminal to appear by using CTRL+ALT+F2 to F7, ", for no good reason, that has been changed. Try Ctrl-Alt-F3. – Gyro Gearloose Oct 25 '20 at 16:55
@GyroGearloose This does not helped – Serghei Leonenco Oct 25 '20 at 17:01
What does "Ctrl-Alt-F3" do on your box? No reaction at all. or something different? – Gyro Gearloose Oct 25 '20 at 17:03
No reaction at all – Serghei Leonenco Oct 25 '20 at 17:07
When i hit power off, i do see ubuntu screen when it powers off, – Serghei Leonenco Oct 25 '20 at 17:08
Do you have a second box (or can bowwow it from a friend) to log in from remote to see what's going on? – Gyro Gearloose Oct 25 '20 at 17:09
I just have a laptop running on Windows, and both my computers connects wireless to modem. – Serghei Leonenco Oct 25 '20 at 17:12
So if you can remember or guess the ip of your sick box, you can try to ssh , or previously ping . I wil delete much of the comments which are growing into a discussion. – Gyro Gearloose Oct 25 '20 at 17:14
@GyroGearloose I was able to get in to TTY using ALT+CTRL+F3, and run sudo dpkg --configure -a, which fixed my problem. Thank you for your help. – Serghei Leonenco Oct 25 '20 at 18:21
If you think this could be helpful to others, you can answer your own question, for the benefit of others having similar problems. – Gyro Gearloose Oct 25 '20 at 18:25

Black screen after upgrade from 18.04 to 20.04

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