![]() I bought a secondhand 15 inch i7 2011 MacBook Pro yesterday. When it happen, the keyboard doesn't respond (the mayus key), but it sounds when it's plugged to the power.Ģ011 MacBook Pro booting to black screen So, the story goes like this.It stop happen just with unplug one screen, leaving the adaptor.It happen with the laptop open and close.This make me thing that the macBook never shutdown properly. When the problem happen and I unplugged the power, the battery eventually die in a few hours.Any change after shutdown doesn't matter, you need to reset the PRAM to boot again.The only problem is if I push Shutdown with 2 screens plugged. If I disconnect the screen before shutdown and I plug it again before boot, It works. ![]() Exchange adaptor and monitors in any combination.2 Apple USB-C to USB, HDMI, USB-C Adaptors.This behaviour happen only when I have two external screens connected, if there is only one, it boot normally. ![]() Every time I shutdown the macbook I need to reset the PRAM to boot it again, otherwise, nothing happen.
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