Default login screen gone, how to revert?

Question

i just installed 12.04 and was playing around, i dont remember what i did, now after one logout beautiful default login screen has changed into gray area, help needed

Answer 1

Okay heres what to do-

open the terminal and enter the following command-

sudo dpkg-reconfigure lightdm

then you will get the following screen-

click on okay.you will get this screen with lightdm as atleast one of the options.-

Select lightdm.Hit Enter and logout to get the desired screen :)