Windows server 2012 not Booting to the desktop after login

After Adding Remote desktop roles in windows server 2012 and restart the system and login with paasword, it showing blank screen and i can see my cursor.the desktop is just blank and dark
how do make the deskstop screen to show or revert back ?
how do make the deskstop screen to show or revert back ?
Comments
Just adding to your comment.
The powershell command to revert to a full Gui installation is the following:
Import -Module ServerManager
then,
Install-WindowsFeature Server-Giu-Mgmt-Infra, Server-Gui-Shell -Restart
Please correct me if i am wrong.
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