Looks like a bad screen - has the laptop been dropped?
Just to make sure it isn't a graphics card issue, connect it to a PC monitor and press the FN key in conjunction with whichever of the Function keys have the screen icon on it.
Looks like a bad screen - has the laptop been dropped?
Just to make sure it isn't a graphics card issue, connect it to a PC monitor and press the FN key in conjunction with whichever of the Function keys have the screen icon on it.