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can not boot

  1. S

    MacBook Pro A1502 (2015), turns on but does not boot

    Greetings to all. We have a 2015 MBP A1502. When turned on with the button, the cooler spins at low speed for about 2 seconds, and then spins up to full speed. The image is not displayed either on the display (it is not known whether the display is working) or on an external monitor via HDMI...
  2. O

    Can not book Mac from CD or USB

    Hello, I have a friend with a Macbook Pro (not sure of what month and year) and they consulted me recently to help them out because of a problem they are experiencing. Whenever my friend brought it over, he said that he opened it and saw a blank white screen. He also claims that it is flashing...