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Installing Yosemite on a Hybrid Drive in a Mac Mini

 
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wncmacs
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PostPosted: Wed Feb 25, 2015 11:50 am    Post subject: Installing Yosemite on a Hybrid Drive in a Mac Mini Reply with quote

I recently purchased a Mac Mini (mid-2010) and upgraded the hard drive to a Seagate ST1000LM014-1EJ164 1 terabyte drive. The company I purchased the machine from installed the drive and put OS X 10.7.5 (Lion) on it.

I set up the machine and went in to the Application Store to upgrade to Yosemite (10.10). The file downloaded, but would not install. It gave an error message and suggested I re-download the file. I did this 2 more times to no avail. I tried to re-boot into Lion but the machine would not start up.

I then built a bootable USB flash drive with the Yosemite installer. I started up the Mini off the drive and tried to start the process. It failed. I then went to Disk Utility, selected the drive (which shows as a 1 terabyte drive) and formatted it. I tried to re-install again. It failed.

I'm looking at Disk Utility now and it shows 1 terabyte drive labeled as Media and as being formatted Mac OS X (Journaled). There are 2 other drives showing:

disk2 that has OS X install ESD that is formatted Mac OS Extended

disk3 OS X Base System that is formatted Mac OS Extended

There are no indications as to the size of either of these disks, nor can I format them.

My questions:

1. Do I have to use something other than Disk Utility to format the drive for OS X Yosemite?

2. Am I wasting my time trying to get Yosemite to run on the computer? It has 8 Gb of RAM with the hybrid drive.

3. Do I need to buy any other software packages to make this thing work?

According to Disk Utility, the drive is listed as 1 partition that is GUID. It is shown at the top of the screen in Disk Utility, with the disk2 listed underneath as an Apple Partition Map at 5.40 Gb Mac OS Extended Journaled. The disk3 is labeled as a startup partition and that I cannot erase it. It is 1.29 Gb in size. and is Mac OS Extended.

The error message when the Yosemite install fails says "An error occurred while extracting files from the package "Essentials.pkg". Quit the installer to restart your computer and try again."
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macmanmacman
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PostPosted: Mon Mar 02, 2015 10:59 am    Post subject: Reply with quote

It means that the yosemite package is not complete. this happens with your installation when you don't have your mac connected to the internet to verify the installer with the app store.
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wncmacs
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PostPosted: Mon Mar 02, 2015 11:59 am    Post subject: Update Reply with quote

I somehow managed to get a partial install of Yosemite onto the computer. It has created an emergency disk to re-install Mac OS X Yosemite. The emergency disk will boot the computer.

I am at a location with high speed internet that I can put an ethernet connection to the Mini. I have done this and selected Re-install a new version of Yosemite. It had me log into my Apple ID to verify the download. The updater said it was downloading components, counts down to zero, then shows many hours remaining to install. It then errors out, saying I need to go to the Purchases page and try again.

I then re-started the installer and we're in the same process as described above. I have about 2 hours and 55 minutes remaining according to the installer but it is still working at the moment.

I know I have a rock-solid internet connection, so what else can I do to try and get this completed?

I'd like to add that I purchased this machine from a reseller who changed out the hard drive and RAM before I purchased the machine, so I don't have access to the stock RAM and hard drive to try an install with them.
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