A display apparatus which determines a screen to be displayed when a power-on command is input, and method thereof, is provided. The display apparatus includes a display configured to display a content; an input unit configured to receive a command; and a controller configured to: in response to a power-off command being input while a content is displayed, determine whether or not the displayed content is appropriate to be subsequently displayed when a power-on command is input; in response to determining that the displayed content is not appropriate to be subsequently displayed when the power-on command is input, store a predetermined initial screen; in response to determining that the displayed content is appropriate to be subsequently displayed when a power-on command is input, store the displayed content; and in response to a power-on command being input, control the display to display the predetermined initial screen or the displayed content.