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How to Boot a Mac Into Safe Mode

简介

Is your Mac experiencing issues booting, slowing down, or acting erratically? Using Safe Mode is a great way to isolate the problem. It minimizes the number of tasks and programs that run as your Mac starts up. If it runs properly in Safe Mode, chances are you can rule out hardware as an underlying cause.

  1. How to Boot a Mac Into Safe Mode, Shut Down: 步骤 1 中的图像 1，1

    • Shut down your Mac.

    • If you cannot boot your Mac to shut it down properly, press and hold the power button for 15 seconds. Your display, keyboard backlight and any fans should be off.

    • If you have an Apple Silicon based MacBook (any model newer than Late 2020), skip ahead to Step 5 since the process is a bit different.

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  2. How to Boot a Mac Into Safe Mode, Boot Up In Safe Mode: 步骤 2 中的图像 1，1

    • Once the computer is completely shut down, press the power button, then immediately press and hold the Shift Key.

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  4. How to Boot a Mac Into Safe Mode, Load Screen: 步骤 3 中的图像 1，1

    • The Apple logo and progress bar appear, just as they do in normal boot mode.

    • You may get a brief flash where the Apple logo turns red, or another color. This is normal.

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  5. How to Boot a Mac Into Safe Mode, Log In: 步骤 4 中的图像 1，1

    • The macOS login screen will appear, as normal, but Safe Boot should appear in the upper right corner of the screen.

    • If FileVault is enabled you may need to log in twice. The first log unlocks your disk. The second times logs in your user account and is where the Safe Boot text will appear.

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  6. How to Boot a Mac Into Safe Mode, Apple Silicon Macs: 步骤 5 中的图像 1，1

    • Apple Silicon Macs use a slightly different process for accessing Safe Mode.

    • As with Intel based Macs, power your Mac off.

    • Press and hold the Power button on your Mac until you see the "Loading startup options" text on screen.

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  7. How to Boot a Mac Into Safe Mode, Startup Options: 步骤 6 中的图像 1，1

    • Once startup Options loads, you will see any valid startup disks connected to your Mac and the Options menu.

    • To access Safe Mode, select the disk you wish to boot from.

    • Press and hold the Shift key, the Continue button under your startup drive should change to "Continue in Safe Mode." Click it to initialize Safe Boot.

    • Everything after this point mimics the Intel method. You'll need to wait for the device to boot and login.

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结论

Now that your machine is in Safe Mode, attempt to recreate your issue without fear of interference from other apps.

4等其他人完成本指南。

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Alisha C

于12/04/20注册

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2条评论

can you create a mac osx OCLP install image onto a USB from one machine (say a MBP M1) that will be used to install Mac OSX on another machine (say a MBP 2011)? the process as described above has the user going thru reboots after the USB is created and picking the USB EFI boot ...I assume that in this example, on the macbook air being used, you were upgrading it with OSX 13.1....correct?

Wendell MacKenzie - 回复

Yes, but it depends on the machines at your disposal. As long as the version you are making the installer for was supported on the model of Mac you're using to make the installer. It generally will not allow you to make an installer for a version of macOS earlier than the machine will run, or newer than the machine will run.

Alisha C -

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