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2012년 6월 출시 / Core i7 프로세서 Turbo Boost 포함 / 최대 1 GB DDR5 비디오 RAM

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How do I know if the ssd and new RAM is working?

When I check About This MAC I still see the old information. Is there a place where I can see the new levels of RAM and the SSD I installed? Also the computer won’t boot unless I have the external drive attached - which has the copy of my old hard drive . What do I need to do to get the computer to boot up internally?

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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The information within the About this Mac should be correct. I’ve never seen if not reflecting whats installed.

You can also look at your System Report Memory & SATA/SATA Express sections after clicking on the button in the About this Mac panel. What do you see there?

As far as why your new SSD is not booting up did you format and install the MacOS on it? Did you alter the startup drive setting in the preferences?

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You may need to reset the NVRAM

Resetting NVRAM

  1. Shut down your Mac.
  2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R.
  3. Turn on your Mac.
  4. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.
  5. Hold these keys until the computer restarts and you hear the startup sound for a second time.

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Kristina Graham 님은 대단히 고마워 할 것입니다.
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