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发布于 2012 年 6 月, 型号 A1278. Intel 处理器,支持 Turbo Boost, 最多 512 MB DDR5 显存

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sudden death , only battery led's work

Hello, I have this macbook pro that suddenly died. If i press the power button, the small led light on the bottom right turns on once. Also the battery leds work like normal. Battery does charge. What could be the problem?

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I'd try am SMC reset. Here's how:

https://support.apple.com/en-us/HT201295

PRAM & SMC

http://www.makeuseof.com/tag/reset-macs-...

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thanks mayer, resetting the smc did not help... what else could i try? thanks in advance.

Let think on this one a while. I need some more clues. What will it do? Any sounds or the lights, any fan activity, any system upgrades, have you opened any email attachments. Do You have a way to boot externally or use Target Mode, an external enclosure? Since you are a contributor to the site, we need to get you fixed.

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