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正翻译步骤 1

Step 1
Before starting this procedure, you must disable your Mac's Auto Boot feature. Auto Boot powers on your Mac when you open the lid, and may be accidentally triggered during disassembly. Use this guide or follow the abbreviated instructions below to disable Auto Boot. Power on your Mac and launch Terminal. Copy and paste the following command (or type it exactly) into Terminal:
Disable Auto Boot
  • Before starting this procedure, you must disable your Mac's Auto Boot feature. Auto Boot powers on your Mac when you open the lid, and may be accidentally triggered during disassembly. Use this guide or follow the abbreviated instructions below to disable Auto Boot.

  • Power on your Mac and launch Terminal.

  • Copy and paste the following command (or type it exactly) into Terminal:

  • sudo nvram AutoBoot=%00

  • Press [return]. If prompted, enter your administrator password and press [return] again. Note: Your return key may also be labeled ⏎ or "enter."

  • You can now safely power down your Mac and open the bottom case, without it accidentally powering on.

  • When your repair is complete and your Mac is successfully reassembled, re-enable Auto Boot with the following command:

  • sudo nvram AutoBoot=%03

在开始此步骤之前,你必须禁用Mac的自动启动功能。自动启动功能就是你一打开笔记本电脑的盖子,它就会启动,并且这个功能在拆卸过程中也可能会被意外触发。使用本指南或按照下面的简要说明来禁用自动启动。

打开Mac电脑电源并启动终端窗口。

将以下命令复制并粘贴到(或完全键入)终端窗口中:

sudo nvram AutoBoot=%00

按[回车]。如果出现提示,请输入管理员密码并再次按[回车]。注意:您的回车键也可能标有⏎或“输入”。

你现在可以安全地关闭Mac电脑后打开底壳,它不会意外地启动了。

当修理完成并成功组装复原Mac电脑后,使用以下命令来重新启用自动启动功能:

sudo nvram AutoBoot=%03

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