How do you restore a Windows Vista Acer Aspire 5315 laptop to factory settings?

[CodyMatthews]

Hello, i have a Windows Vista Laptop. is an Acer Aspire 5135 and i need to restore it back to its factory settings asap. please help!!!

 

[Dark Lord of Tech]

http://acer.custhelp.com/app/answers/detail/a_id/12869