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Sandra Hillerさんによる編集

承認済みの編集 : Sandra Hiller

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手順ライン

-[* black] Hold down SHIFT + CTRL + OPTION + POWER.
+[title] If the battery is nonremovable:
+[* black] Shut down your Mac.
+[* black] Unplug the MagSafe or USB-C power adapter from your computer.
+[* black] Using the built-in keyboard, press Shift-Control-Option on the left side of the keyboard, then press the power button at the same time. Hold these keys and the power button for 10 seconds.
+[* black] Release all keys.
+[* black] Reconnect the power adapter.
+[* black] Press the power button again to turn on your Mac.