I have installed Ubuntu 16.04.1 LTS around one month ago as dual boot with Windows 8.1 and it was working excellent. But from yesterday it stopped working. Laptop hangs during Ubuntu boot in the Ubuntu logo screen.
After that I have searched for solution in askubuntu. But, nothing helped in my issue.
Edit: I have found that the reason was recent
dbus installation. How can I install
dbus without having similar problem again.