black screen laptop

[willing39]

my laptop screen is black. and will not light up

 

[C12Friedman]

Often that is due to the power inverter to the display failing, you can check for that by shining a flashlight at the display when on, if you can see a faint picture with the flashlight then it's likely the inverter that needs replacement. YouTube videos abound for How-to (look up by model number)
If there is no display seen with a flashlight, try the screen at different angles, also try with an external monitor if possible