generic5031
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Q: My secondary hard drive disappeared when I installed El Capitan

i just upgraded to El Capitan and my secondary hard drive is no longer recognized or to be found.

I have a mac pro mid 2012 desktop 2x 2.4GHz 6 core intel xeon 12 gas of 1333 MHz DDR3 ECC

 

after the update my secondary 1 tb hard drive disappeared from my desktop and cannot be accessed thru finder the hard drive was working fine minutes before the update and is less than a year old

any suggestions?

do i need to reinstall yosemite? or try to reinstall El Capitan? during the install of El Capitan It Hard crashed in the final restart

 

thanks

Mac Pro, OS X El Capitan (10.11)

Posted on Oct 2, 2015 12:12 AM

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generic5031

Q: My secondary hard drive disappeared when I installed El Capitan

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  • by alex_h1,

    alex_h1 alex_h1 Oct 2, 2015 10:51 AM in response to generic5031
    Community Specialists
    Oct 2, 2015 10:51 AM in response to generic5031

    Hi generic5031,

     

     

    I see that you're trying to find the icon for the secondary hard drive you have installed in your Mac Pro.  Have you looked in Disk Utility to see if it's being recognized?  

     

    Disk Utility overview - Disk Utility Help

     

    Another good place to look if it's being recognized by the system is by using the System Information, and looking in the "Storage" section:

     

    OS X: About System Information and System Profiler - Apple Support

     

    Please let me know your findings!

  • by generic5031,

    generic5031 generic5031 Oct 2, 2015 5:06 PM in response to alex_h1
    Level 1 (0 points)
    Oct 2, 2015 5:06 PM in response to alex_h1

    Hey alex_h1,

     

    Yes I have checked the disk utility overview and it is not being recognized. I have also checked the storage section under system information and it is not being recognized there either.  however minutes before updating I was accessing the drive with no issues, which is why i have reached out to this forum for possible assistance.

     

    Thank you for making sure i start at the basics though.

     

    any other suggestions?

  • by alex_h1,

    alex_h1 alex_h1 Oct 3, 2015 6:07 AM in response to generic5031
    Community Specialists
    Oct 3, 2015 6:07 AM in response to generic5031

    Hey there generic5031,

     

    Thanks for that information.  Given that it's not appearing in System Information nor in Disk Utility, then there might be a hardware issue with the drive.  I suggest that you get in contact with another one of our support channels by using the link below.

     

    Apple - Support - Product Selection

     

    Take care.

  • by generic5031,

    generic5031 generic5031 Oct 4, 2015 5:30 PM in response to generic5031
    Level 1 (0 points)
    Oct 4, 2015 5:30 PM in response to generic5031

    So today after opening iTunes it prompted me to update my expired credit card info for iTunes and immediately after updating that info my secondary hard drive arrived back on my desktop. i don't know why that was necessary to access my hard drive. So now I'm curious as to why that would be the case? thank you again for your input so far