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I find the usb on the right is not working after I changed the battery. It couldn’t read the external hard disk I plug in. The card reader still works fine.
Does anyone know what might be the problem or anyway to fix it? Thanks.
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You’re lucky! The I/O board and its cable are both easily replaceable!
I would start off with the cable MacBook Pro 13" Retina (Late 2013-Early 2015) I/O Board Data Cable it tends to fail and if that didn’t do it you’ll need to replace the I/O board its self MacBook Pro 13" Retina (Late 2013-Mid 2014) Right I/O Board.
Follow this IFIXIT guide: MacBook Pro 13" Retina Display Mid 2014 I/O Board Replacement
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$19.99
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$9.99
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Thank you for pointing out it might be a problem of the I/O cable. I reconnected it and now it works fine.
If you're all set don't forget the score the answer and accept it as solved. Thanks!
Yessss fantastic post and helped me diagnose and solve my issue too :))) Thanks
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