Basically when I turn my mac on the apple logo in the back lights up and there’s backlight but no chime or image. The brightness and light up keyboard keys don’t do anything. When I close the lid without turning it off the apple logo stays light up. There is a small chance that it could have been dropped because I had it in my backpack but it’s very unlikely. I’ve this computer since mid 2014 (Macbook Pro Retina 13”)