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#Mac mini power supply how to open mac
Make sure your Mac is shut down completely.Ģ. You need to do this job via macOS Recovery.ġ. You can use Disk Utility to repair your startup disk. Method 6: Use Disk Utility to Repair Your Startup Disk The next method will show you how to repair your startup disk. However, if this method still can’t fix MacBook black screen, there should be something wrong with the startup disk. About 5 seconds later, you can press the Power button to turn on your Mac computer.About 15 seconds later, you can plug the power cord to your Mac again.If you are using a desktop computer, you can follow these steps to reset SMC: Wait for a while and then you can press the Power button to turn on your Mac.Press and hold the Power button for about 10 seconds and then release it.Make sure your Mac is shut down completely.If you are using a Mac notebook, you can follow these steps to reset SMC: You can reset it to solve some issues that are related to power, fans, battery, and others.
#Mac mini power supply how to open full
The full name of SMC is the system management controller. However, if your Mac still boots into a blank screen, you may need to reset SMC. If your Mac boots normally, you can click the Apple menu on the desktop and then go to System preferences to adjust the screen brightness or there settings like sound volume, startup disk selection, or time zone. If you Mac has the Apple T2 Security Chip, you can release these keys when the Apple logo appears and disappears for the second time.If your Mac plays a startup sound, you can release these four keys after you hear the second startup sound.On the other hand, you can also decide when to release these four keys according to the following two situations:
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During this process, your Mac may perform a restart.