[ubuntu-uk] Ubuntu upgade 14.04 to 16.04 -incomplete

[Colin Law]

On 4 August 2016 at 07:22, Lois McNab <lois.mcnab at yahoo.co.uk> wrote:
> Hello,
>
> I started to upgrade on 1.8.2016 from 14.04 to 16.04  and the files were
> being upgraded , when it stopped/froze.
>
> I attempted to restart the computer ,pressed F1 the following message
> appeared on  black screen:
> ...
> Flashing cursor at bottom, I am unble to type anything.

Hit Ctrl+Alt+F1 which
should take you to a terminal.  Login there and run
sudo apt update && sudo apt full-upgrade
if there are any errors come back to us.  Then reboot using
sudo reboot
and see if that helps
Colin