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如何升级一台 2009 Mac Pro 4,1 的固件

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Çince
Adım 6
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Re-enable SIP
  • Unless you have a compelling reason otherwise, you'll want to reenable SIP. Once again, you'll have to go into Recovery Mode just like you did before and open the Terminal.

  • Enter the following command

  • csrutil enable

  • Reboot the machine and let it load to the desktop. Open a new terminal window and enter the following command to check the status of SIP

  • csrutil status

  • If all was successful, you should get a line back that reads:

  • System Integrity Protection status: enabled.

除非你有不得不这么做的理由,否则你应当重新打开SIP(系统完整性保护)。再一次,你将和之前做的一样进入恢复模式并打开终端。

输入以下命令

csrutil enable

重启机器并让它加载到桌面。打开一个新的终端窗口,输入以下命令来检查SIP状态

csrutil status

如果一切成功,你会见到如下文字:

System Integrity Protection status: enabled.(系统完整性保护状态:启用)

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