Hold down the power button for 10 seconds and then let go and press it. If you’re using a new MacBook then you might have a fingerprint scanner and a power button combined. Power Down Your Mac and Then Try Turning It Back On If you recently purchased a new peripheral for your Mac and it won’t turn on, this could be why it won’t boot. When you go to boot up your Mac, unplug everything from it but the actual power cable itself as sometimes external accessories can cause issues with our Mac. If you recently had a power outage, then it may be worth trying another cable if you have one or taking it into an Apple Store and having them try their cable as that could be the issue. Sometimes the cord can get unplugged and this could be causing your Mac to not turn on. This may seem pretty self-explanatory, but it’s important to check and make sure that your Mac is plugged in and has power.

Check and Make Sure That Your Mac Has Power Simple Troubleshooting Methods for Our Macīefore moving into more in-depth troubleshooting methods, let’s take a look at some of the simple and easy stuff that we can do. Your Mac may not be connected to power.īelow we will take a look at some simple troubleshooting steps that should get our Mac back up and running again.Your Mac has run into an error while trying to start.During an update, you might have lost power and your Mac was disconnected from the Wi-Fi which can cause your software to become corrupt.There is a hardware issue with your Mac.If your Mac won’t boot, that means it can’t make it through the start sequence. No need to worry though, in this article we’re going to take a look at how to fix a Mac that won’t boot and then talk about what to do if after trying these steps, the computer still won’t boot for you. What do you do? Why did this happen? How do I fix it? Might be some of the questions that are going through your mind right now. Updated December 2019: Everything is up to date through macOS Catalina.You go to turn your Mac on, and it won’t boot… no one likes to have that happen to them. If you have any more questions about reinstalling macOS on your Mac, let us know in the comments. How to set up and customize your Mac from scratch Questions? If you're starting from scratch, you'll need to set up your Mac from scratch. Your Mac will now go through the normal macOS installation process, eventually restarting. Enter your Apple ID and password if you're asked to, though you might not be.Click on the drive on which you wish to install macOS.How to reinstall macOS while in Recovery mode If you're running macOS High Sierra or later on a Mac with an SSD, your choices will be some form of APFS. Click on the format you want to use for your drive.Click on your startup disk in the Disk Utility sidebar.

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