My Ubuntu 14.04 doesn't boot properly. When I power up my laptop I am presented to Grub menu (though I am able to boot from recovery mood but in this way laptop's performance gets compromised). If I choose *Ubuntu these characters : ^[[5~ fill a black screen in a rapid succession. Then comes a 'vibrating' Ubuntu logo with so many entries like,
*starting send an event to indicate plymouth is up [ok]
*starting read required files in advances [ok]
*stopping userspace bootsplash [ok]
....
and it goes for forever but if I press "Esc" before filling up my that black screen by ^[[5~ I am directed to my desktop.
What is the problem? How can I fix it? I just want my desktop after power up as before.
PS : Even worse LiveCD of Ubuntu 16.04 doesn't show welcome screen. It shows advanced screen where I have to choose language. Even after that I get "stdin : not a typewriter" error and a vibrating screen. In short, I am not able to boot from a LiveCD either. :'|