Information in this article applies to any MacBook that won’t start at all.
Check the power connections.
Wait a few minutes before turning on the Mac again.
Don’t forget tocheck the power outlet with a lampor another gear to ensure the outlet functions correctly.
Swap out the power cable or adapter.
If the Mac is plugged in and doesn’t turn on, the power cable may be faulty.
Swap it with a known working cable to help pinpoint the problem.
Turn up the screen brightness.
It’s possible the MacBook Pro is turned on, but you could’t see it.
Press theF2 keyat the top of the keyboard to make the screen brighter.
Remove all accessories and peripherals from the Mac.
Reset the System Management Controller (SMC).
Resetting it sometimes resolves whatever stops the MacBook Pro from turning on.
However, there are other possible culprits.
FAQ
With the power off, press and hold theShiftkey.
Asafe bootstarts the MacBook Pro with only a bare minimum of extensions.
It disables most fonts, and deletes caches.
In the startup window, selectOptions>Continue>Disk Utility.
