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I bought macbook air 13" on december 29, 2012 . After few days, when i connected a external hard disk, it says "Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled." Help me out.

I bought macbook air 13" on december 29, 2012 . After few days, when i connected a external hard disk, it says "Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled." Help me out.

Posted on Jan 24, 2013 5:01 PM

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2 replies

Jan 25, 2013 11:04 AM in response to Retired Engineer

I have the same problem on my Air. The message first came up while my iPhone was connected to it for some time. Since then, it pops up ALL THE TIME, whithout anything being connected to the USB port, at what appear to be random intervals that vary between about one hour and a few seconds. I have tried resetting the SMC and the PRAM, but no results. A quick search revealed that thousands of users are facing this problem, but Apple has yet to provide a solution. Please help!

I bought macbook air 13" on december 29, 2012 . After few days, when i connected a external hard disk, it says "Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled." Help me out.

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