You need to unplug all unnecessary peripherals including a printer cable, external disk, HDMI cable, second screen, a Magsafe or type-C charger, and even a mouse. This works on all Apple Silicon and Intel-based Mac models - MacBook Pro, MacBook Air, Mac Pro, Mac mini, and iMac.
For example, the accessory has short circuits or consumes unusual amount of power supply.
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Detach all external devicesĭuring the power-on process, all internal and external devices will be checked, so a faulty accessory might cause your MacBook Pro or MacBook Air not turning on. If your MacBook Pro doesn't turn on, try the methods below to rule out possible causes. If all essential input and output hardware are functioning well, your MacBook will chime and the screen back-light will be activated. Adjust display brightness or use an external monitorĪfter you power on your MacBook, your MacBook will go through a series of complicated events. Just follow the checks and techniques below, you have a great chance to make your Mac usable especially when your MacBook Pro won't turn on but is charging.
The reasons why your MacBook is not turning on vary a lot. Or macOS fails to start all the way up, like iMac won't boot past Apple logo or loading process is unbrearably slow. Unexpectedly, your MacBook Pro won't turn on or iMac won't turn on and shows a black screen after you press the power button. In general, Macs are reliable computers but not immune to problems. By Jessica | Posted to Home > Mac Data Recovery Tips, Updated on September 17th, 2021
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