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2011年後期モデル番号A1278 / 2.4 GHz i5 or 2.8 GHz i7 プロセッサー

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Usb ports will charge phone but won't connect

I have a MacBook pro a1278 2011 both USB ports will will not connect to phone but will charge I have tried different cables yes factory different phones and won't read jump drives have tried smc and nvram reset and no change

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There’s nothing else one can recommend for such a problem on a DiY basis beside the resets you already did. It seems power is fine but data can’t be properly exchanged and that just leaves a just board failure as explanation, I’d speculate at Usb Mux level. Either you can find someone doing component level repairs or you’ll have to replace your board. You may try a Thunderbolt to Usb adapter as a workaround but I’m not sure that will work fine.

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Charles Friend II さん、ありがとうございました!
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