Push the Fn (Function) key which is at the bottom left of the keyboard next to the Ctrl (Control) key and then push the up or down arrow to change the screen brightness
did you put a magnet on it? usually that is the cause no
buy a new screen.........................
Go to your nearest computer store and there are many types of shades for your screen that you can clip on to the sides of it. There are different types of shapes for different brands.
Re-boot the computer.
Eat your computer
buy a new one it trash
i have same problem how to fix it!!
get a new hard drive or fix ur old one
Restart your computer and do not use windows
On your computer screen itself, there should be a menu button. Click on that, and go to positioning, where you can move your screen horizontal or vertical. Try that. and if not, find a way to zoom your computer screen .
Throw it out the window and find some Orange Juice to calm you down.
You cannot fix a physically broken screen via the graphics card. Take the computer to a repair shop and pay for a new screen to be installed.