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  1. #1
    Hard drives not mounting

    Member Since
    May 01, 2009
    Posts
    1
    Hard drives not mounting
    So my PowerMac is failing to recognize hard drives consistently. It will recognize some of the drives some of the time, some drives all of the time, one drive it will NEVER recognize, and a pair of drives it will NEVER recognize at the same time.

    I have been able to recognize most of the other drives on other Macs without any trouble. One drive now appears to be dead to all machines. Wondering if my Mac killed this drive (it was brand new!)

    Anyone got any idea what is going on here?

    Here are the pertinent details:

    PowerMac
    OS X
    2 x 3 Ghz Quad-Core Intel Xeon
    9 GB 667 Mhx DDR FB-Dimm

    Dead drive - GRaid 3 TB
    Occasionally Reconizable drives (but never together) - Verbetium 1 TB drive
    Always Reconizable drive (2nd) RRaid 3 TB.

    Many Thanks.

  2. #2
    Hard drives not mounting
    Lifeisabeach's Avatar
    Member Since
    Sep 30, 2007
    Location
    The Republic of Neptune
    Posts
    7,637
    Are these external drives? How are they connected? How are they formatted? If external, are they bus-powered or require a power source? If external, have you tried an alternate port to plug into?

    Please verify and include the exact model/year of your Mac and OS X version number (available from "About This Mac", then "More Info" on the Apple menu).
    ------
    Links: Onyx | EasyFind | Apple Hardware Test | How to test your hard drive | The Safe Mac Adware Removal Guide | Uninstall MacKeeper
    ------
    Lifeisabeach - Mac-Forums Member of the Month June 2009, Feb 2012, and March 2013.

  3. #3
    Hard drives not mounting
    wytwolf's Avatar
    Member Since
    Oct 09, 2006
    Location
    Newfoundland, Canada
    Posts
    358
    Specs:
    2.2Ghz i7 Late 2011 MBP: 16GB Ram 500GB Seagate XT HD
    Have you tried rebooting. Every now and then my Mybook will not mount, a simple reboot fixes that.

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