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1

Create a folder in the /etc/lightdm/ folder called lightdm.conf.d: sudo mkdir -p /etc/lightdm/lightdm.conf.d Next, create a file and call it 10-ubuntu.conf: sudo gedit /etc/lightdm/lightdm.conf.d/10-ubuntu.conf and add the following lines to it: [SeatDefaults] user-session=ubuntu greeter-show-manual-login=true greeter-hide-users=true ...


1

Open System Settings and go into User Accounts. Select your user, and there should now be an option on the right to enable automatic login. Turn that on and you're done.


0

In 15.10, you can go: System settings User accounts Unlock (top right corner) Select user Click automatic login This unchecks automatic login for other users, and automatically logs into that user without a password. If you are worried about not having a password, encrypt your disk instead (will ask for a password before login screen). If an attacker ...


3

It looks like you installed another Display Manager somehow (it can happen with a lot of package installations, including other desktop environments). Judging by your background, you installed the default version of Ubuntu. Here's how to get lightdm (the default login screen/Display Manager) back: Open a terminal (Ctrl+Alt+T) and run sudo dpkg-reconfigure ...


7

Even though you assume that it is not a graphics drivers issue ... trying this solution might be a chance to get your problem solved - it worked in many similar cases ... first remove the drivers. Highlight the Ubuntu entry in the GRUB boot menu and press the E key. Add nouveau.modeset=0 to the end of the linux line - press F10 to boot. On the login ...


-3

Have you tried this: sudo apt-get install --reinstall unity dconf reset -f /org/compiz unity --reset-icon &disown and it might work fine this way.


0

The problem has a far easier solution than what I first looked for: In the login screen, open the Accessibility menu – one of the icons in the top right corner – and disable High Contrast mode. So it's not a bug, it's accidentally for example hitting the shortcut key to enable the High Contrast mode. It's made more confusing by the fact/bug that it's not ...


-2

Check the BIOS if the Virtualization option (VT) is enabled. Let me know also if you installed VirtualBox 5.0.12 Oracle VM VirtualBox Extension Pack.


-2

I was also facing the same Display issue today with Ubuntu 15.04 and I did following steps through the terminal: # cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=15.04 DISTRIB_CODENAME=vivid DISTRIB_DESCRIPTION="Ubuntu 15.04" sudo apt-get install --reinstall libgl1-mesa-glx libgl1-mesa-dri sudo dpkg-reconfigure xserver-xorg sudo restart gdm ...


1

Yes you can login as a root user however this is in no way suggested. I would also recommend sudo -i to emulate root. However this being Linux you can do as you wish and enable root. This can cause major security holes and is not recommend! sudo passwd root create a password and now you can login as root. To disable root sudo passwd -dl root You can read ...


5

Root account is disabled in Ubuntu for login by default. You would have to change root password to login directly. Personally i suggest you login to root through your sudo account with sudo -i



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