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  1. billmccart

    Gigabyte Z77 DS3H -- El Capitan clean install OS X could not be installed on your computer.

    @intelmacosx86 Thanks for your Nov. 12 comment. I've been down with bronchitis for a couple of weeks and just now getting back on line. I'm not aware of how to update the BIOS directly and didn't find instructions through a quick Google search. Can you provide details or point me to...
  2. billmccart

    Gigabyte Z77 DS3H -- El Capitan clean install OS X could not be installed on your computer.

    @intelmacosx86 It didn't work using 2016 nor when I tried 2014 and 2012. I also tried it without the "-u" switch. I kept getting this error message at the start of verifying El Capitan: "An error occurred while preparing the installation. Try running this application again." Any suggestions?
  3. billmccart

    Gigabyte Z77 DS3H -- El Capitan clean install OS X could not be installed on your computer.

    The time was set correctly when I checked in Terminal yet I still got the message "No packages... etc." But my situation might be different. I'm doing this on an older (2008/9?) Macbook Pro that I'm getting ready to donate. I have already wiped the disk but when I try to reinstall the OS it...
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