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2011년 하반기 모델, A1278 / 2.4 GHz i5 또는 2.8GHz i7 프로세서.

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screen won't turn off when closing lid

Just changed the MagSafe DC-in board, followed every step on guide, now my screen won`t turn off when closing lid. How can I fix it?

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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Check your ribbon cables. It sounds like one is not correctly seated.

I would check the hard drive cable first as it has the sensor attached to it. Review Step 26 in this IFIXIT guide MacBook Pro 13" Unibody Late 2011 Upper Case Replacement

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The screen sleep magnet could of slipped out of place or energy saver could be set to "never sleep". You could also try to reset the SMC---http://support.apple.com/kb/HT3964.

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I have the same problem with sleep mode.

SMC reset and replacing sensor without success.

BTW I don't know how to replace the sensor of sleep LED and lid. Can anybody help me?

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What sensor do you replace?

Replacing Ribbon Cable from HDD with IR Sensor and LED. But i don`t know, where sitting the sleep sensor

The lid sensor is a small Hall effect transistor which is mounted on the ribbon cable assembly you replaced. It is part of the plastic bracket where the the IrDA sensor is located. It you take a steel paper clip and slide it across the left sides of the displays edge of the lid you'll locate the magnet which mates up with the Hall effect transistor in the case when the lid is closed.

how he looks the effect transistor ?

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Francisco Hood 가/이 대단히 고마워 할 것입니다.
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