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  1. #1

    Member Since
    Feb 19, 2011
    imac 20 inch white usb ports issue
    i have a 20 inch intel imac white and my usb ports dont detect any of any external devices such hard drive and camera or usb flash ,but my keyboard and mouse are detected and work .I already did a smc reset and pram and they show up under the apple profiler and i created a new user and tried it from there still nothing .Will a power usb hub fix this issue ,i think its a low voltage issue any suggestions.I have tried all the ports as well all the same

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    The keyboard and mouse are low power items in that they do not draw as much current from the USB output ports that a hard drive, camera, or a flash drive.

    A USB powered hub may help, but you really should find out why the USB ports on your iMac are not working right.

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