my laptop Toshiba Z30-B the monitor is not showing the display

[Gaptekseries]

so i have Toshiba Z30-B and i used just for youtube and watch a movie (1 day maybe 3 hours) and then my monitor doesn't show the display again (blank) and then i try to restart its not working pleasae help me how to fix it

 

[hang-the-9]

You said "does not show the display AGAIN", so you had this issue before? May want to put in some details about the issue since you said it happened again.

Does the computer turn on at all, lights go on, etc... just no display? Try an external screen with it see if issue is the system or the laptop screen.