My screen has speckles about two inches wide vertically.It does not happen on an external monitor. It's a band running up the middle of the screen, although it does not effect all p...
Answer to: How to test topcase/power button?You can place a small bladed screwdriver in the keyboard cable connecter on the main board and wiggle it around. The MacBook will then start up.
Answer to: Power button doesn't work anymoreThis is a common problem. You need to replace the top case/keyboard.