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Late 2011 model, A1278 / 2.4 GHz i5 or 2.8 GHz i7 processor.

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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.

Answered! View the answer I have this problem too

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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.

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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 will be eternally grateful.
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