Why wont my screen work ?

[Emily Madison]

My phone screen is completely blank . Sometimes i can hear my notifications and my notification light will light up but my phone screen stays black

 

[srkmagnus]

My phone screen is completely blank . Sometimes i can hear my notifications and my notification light will light up but my phone screen stays black

What phone do you have?

Also, have you tried a reboot (long press the power button) then restart?