If you want to change the display of vm, kindly goto System ---> Preferences ---> Display
Kindly check below screen shot.
Hope this resolves your query
In case of any further issue,feel free to revert.
Regards
Sumit Anand
edureka! Solution Team
Website - www.edureka.co
Edureka claims 1st position at Deloitte's Technology Fast 50 India 2014