USB ports not working in OS X, works in Windows

Discussion in 'macOS' started by shima, Feb 3, 2009.

  1. shima macrumors newbie

    Feb 3, 2009

    When I started up my iMac the USB ports stopped working. It didn't respond at all. The weird thing is that they work at the startup when you choose between Windows/Mac OS X when holding in ALT. They also work in Windows, but not in OS X. Does anyone know how to solve this problem?
  2. madog macrumors 65816


    Nov 25, 2004
    Korova Milkbar
    Sounds like some driver/software issue in the Mac OS. I would say booting up to your system disks and running an Archive and Install while Preserving User Data would be the easiest method.
  3. Eric S. macrumors 68040

    Eric S.

    Feb 1, 2008
    Santa Cruz Mountains, California
    What do you mean exactly - how do you know they're not working? What devices are you trying to use?

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