Chosen Solution
Hello, My laptop has no display and the external monitor can’t detect it. When I turn it on, I can hear the fans working though. What could be the problem? Thank you.
Hey! Do you hear any beeps as you tried to start it? If yes, please check if you find your code here: https://support.apple.com/en-us/HT202768 and here: https://support.apple.com/en-us/HT1547. In all cases sometimes it helps to reseat the memory and remove all the battery and ac adapter to perform a powerdrain.
