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Modèle A1278 mi-2010 / processeur core 2 Duo à 2.4 ou 2.66 GHz

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Screen turn on less than a second


I just got a problem that my Macbook screen won't work anymore. It will turn on just less than a second then goes black but I can still hear a normal initial sound when power it on.

I already try check the panel connect, disconnect and reconnect not fix this problem. While it goes black, the fan still spin.

So what is the issue? How to fix it? Any one have an advice?


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This problem could be caused by a number of things. Did you try to rest the NVRAM?

Step 1: Press Command-Option-P-R quickcly when you turned on your macbook

Step 2: Release those key's if you hear the startup chime for the second time.

Step 3: Does your macbook boot normally ?

To rule out if it is an software related issue, can you run Apple Hardware Test?

Depending on your version of Macbook:

Step 1: Press "D" quickly when you turned on your macbook.

Step 2: Run the tests


Step 1: Press Option-D quickly when you turned on your macbook.

Step 2: Run the tests.

Last but not least, can you start verbose mode? Press Command-V quickly after startup

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Piyapol Thanaadirod sera éternellement reconnaissant.
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