Macbook pro black screen 3 beeps July 8, 2019 16 32 64 128 Macbook pro 2012 3 beeps black screen Macbook pro 2011 3 beeps black screen Macbook pro beeps 3 times black screen Macbook pro screen goes black when fully opened Imac black screen beeping Macbook black screen Imac 3 beeps Macbook screen goes black when fully opened