Intel MacBooks with a T2: Turn off the laptop.

And the way to reset the SMC depends on the type of Intel Mac you have. Reset the SMC. This is also for Intel Macs only M-series Macs do not have a system management controller (SMC).

Keep holding down those keys until you notice that the Mac restarts and the Apple logo appears.Īfter the Mac completes its startup, you’ll need to go into System Preferences and make some adjustments to the sound volume, screen resolution, and other settings to your liking. Then hold down Command+Option+P+R as you turn the Mac on. To reset the NVRAM/PRAM, turn off your Mac. If it’s been unplugged and the battery is dead, see above.

When I use my MacBook Pro on my lap while it is charging, sometimes the Thunderbolt power adapter becomes slightly unplugged and I don’t even realize it. The power cable to the Mac. This can sometimes get knocked loose, especially if you have a MacBook that you move around a lot. Check your connectionsīeyond asking, “Is it plugged in?” we have a few more obvious issues that can often fix startup problems. If you don’t know how to do that, see below. If you’ve determined that your Mac is actually on and not responding, you can try the old panacea: a restart. If you’re using an external display, look for a power indicator LED on the front, and check that the cable connection is secure. You can tell by checking the contrast on a MacBook or iMac between the black bezel and the display-it should blend seamlessly if it’s powered down.

If it’s a deep black, the screen is definitely off, but if the color is more like an extremely dark gray that’s close to black but not quite, it’s on.

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