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

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MacBook 13 inch Both Usbs not working

both usbs not working.

try all functions. short keys,

removing battery.

every option possible u can find online.

its not worth be buying you mainboard.

there must be someone who knows how to fix the main board on here to help me out.

now in system report it does not show

USB 3/.0 Hi speed bus and super seed bus

but shows trackpad bluetooth etc & camera.

sometime when i plug something into one of the usb slows a warning comes up saying its drawing too much power.

but still nothing works on them.

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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선택된 해법

What are you plugging into them? Try something like an external keyboard that doesn't require a lot of power. It may be the device not the ports.

해당 답변은 도움이 되었습니까?

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the devices work on my other macbook same mode.

iv tried various things.

some fault is on mainboard i believe but i dont where the components are to replace them

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Blanco 가/이 대단히 고마워 할 것입니다.
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