RISOLTO: Will not turn on beeps instead and the screen stays black? - MacBook Pro 17"

Will not turn on beeps instead and the screen stays black?

I left my laptop unplugged, but in sleep mode, and the the battery ran down. After charging the battery I can not turn the laptop on,. When I press the on button you hear it start to whirl, but the screen stays black and you hear it beep three times then pause them beeps three times, this continues until you press and hold the power button. The screen remains black the whole time. Someone please help.

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Postato: 3 mar 2013

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Three beeps means "No RAM banks passed memory testing". There may be a problem in that the RAM is not properly seated in the housing, or it may be a case that the RAM is failing; or some other problem related to RAM (like you're not telling us it got wet).

The fail is during the POST (power on self-test) so that is why there's nothing on the screen... the startup process is force quit before it gets that far.

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1 Commento:

what can i do to fix it

22 lug 2018 da Robert Fink

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MacBook Pro 17"

Will not turn on beeps instead and the screen stays black?

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