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2010년 중반기 모델 A1278 / 2.4 or 2.66 GHz Core 2 Duo 프로세서

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My MacBook is still bleeping after a installed new RAM.

I've tried all 4 RAM sticks one at a time. But the macbook keeps bleeping how do I know what the problem is? Just once every 5 seconds. Is the RAM holder also replacable? Or is the logic board broken at one beep every 5 seconds

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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선택된 답변

1 beep = no RAM installed

2 beeps = incompatible RAM types

3 beeps = no good banks

4 beeps = no good boot images in the boot ROM (and/or bad sys config block)

5 beeps = processor is not usable

In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.

https://support.apple.com/en-us/HT1547

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Stef van den Berg 님은 대단히 고마워 할 것입니다.
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