Saturday, September 28, 2019

Ubuntu 19.04 Upgrade - Fix Keyboard Mouse Not Responsive

- no title specified

 

To upgrade - first make sure that /etc/update-manager/release-upgrades,

has the following entry:

 Prompt=normal

 

 sudo apt update

 sudo apt upgrade

 sudo apt dist-upgrade

 

After upgrading to 19.04 - you may need to manually download

and install:

libpython3.7-minimal_3.7.3-2_amd64.deb
libpython3.7-stdlib_3.7.3-2ubuntu0.1_amd64.deb

 

** Before you log out **:

sudo apt install xserver-xorg-input-all

 

If you don't do the above here is how to break back in and fix

Ubuntu 19.04 without any mouse or keyboard response:

 

Shut it down and restart.

 At Ubuntu splash screen type "e".

 Add the word "single" after quiet on the kernel string (before splash).

 Log in.

 

If you are trapped in emergency mode at the boot prompt, try editing your fstab.

 First back up the old version: cp /etc/fstab /etc/old_fstab

 Remove all entries in the new file except for / and swap. vi /etc/fstab

 

You need to install further packages, enter:

 sudo systemctl set-default multi-user.target  

 

Reboot. This will cause Ubuntu to boot with a shell (no graphics loaded).

 

I'm fairly sure the key fix for me was:

 sudo apt install xserver-xorg-input-all

 

You may want to also install a few others for instance if you initially

chose LightDM and thereafter want to try gdm3, or install a new greeter

I recommend you use gdm3 as the default.

 

When done, put graphical mode back on:    

 sudo systemctl set-default graphical.target

 

Done! Reboot, hopefully mouse and keyboard are now working.

 

Don't forget to swap your fstab back.

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