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I bought my Macbook Pro new this year in Jan 2012; it is the 13" Core i5 SKU. The USB port furthest from the screen on the left does not work with storage devices, though I have tested it with a USB Mouse and it seems to work. However on hard drives, USB keys, and an Arduino it doesn't work.

I cannot sync my iPod touch with it either.

Does anyone know what this may be?

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All of the USB ports should work with any of the storage devices that you mentioned. Since your MBP is so new, you should bring it to an Apple store for servicing - there might be something wrong with that particular port. – JW8 May 21 '12 at 21:28
Comparable: Why might one USB port be problematic on a MacBook Pro? – but I can't predict whether answers there will be good for the question here. – Graham Perrin Jul 25 '12 at 11:03
Thanks I will keep updated on your thread to see if the answers will help me. – h00j Jul 25 '12 at 11:05

1 Answer

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Just reset PRAM and it will start working again. It has done it for me many times.

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Technically all recent macs have NVRAM and are less susceptible to have a USB port go missing. In the past this was something got rule out when the port didn't function at all as opposed with some devices but not others. – bmike♦ Dec 9 '12 at 22:32

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