Follow these steps to reset your Mac computer's NVRAM if you have a MacBook Pro (15-inch, Late 2016), MacBook Pro (13-inch, Late 2016, Four Thunderbolt Ports), or MacBook Pro (13-inch, Late 2016, Two Thunderbolt Ports).
- Shut down your Mac.
- Find Command (⌘), Option, P, and R on your keyboard.
- Turn on your Mac.
- Press and hold the Command-Option-P-R keys immediately after you turn on your Mac.
- Hold these keys down for at least 20 seconds to ensure that your Mac completes the process correctly.
- Release the keys.
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기존 제품
- Shut down your Mac.
- Find Command (⌘), Option, P, and R on your keyboard.
- Turn on your Mac.
- Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.
- Hold these keys until the computer restarts and you hear the startup sound for a second time.
- Release the keys.