Impossible to download and reinstall the operating system after erasing HD

Yesterday morning, my iMac won't start.  It was fine the night before.

The progress bar reaches about two thirds to three quarters of the way to the end when the bar of progress disappears and I find myself with a gray screen. It does this by starting too.

I followed the advice of Linc Davis at https://discussions.apple.com/message/21333265 (hash) 21333265 (Note - I can't find the symbol of hash on my keyboard key so if you if know where he is, please replace by in the link - oh (hash) and tell me where it's too please ;-)).

I started the Revovery volume (now here actually).  Run Disk Utility/First aid finds no problem with MacIntosh HD (my boot drive). I can't find how to repair permissions.  The option no longer seems to be there. Reset NVRAM has nothing else that makes the iMac wonder my preferred language.

I used download and reinstall OS option.  The first time I tried to re-download El Capitan, it took 15 minutes and 45 minutes to install.  Installation failed leaving me to the grey screen again.  I think that the Setup program itself was trying to restart the iMac when he got stuck in the same place I'm stuck.  I left it there for about six hours before I tried to restart manually.

Tried to download the operating system again. This time, it was after using the recovery volume, select MacIntosh HD, by using erasing, then the option reinstall in THE.

I did two times now.  The first time I tried 'Erase and re - install' the download bar has got to a point about a third of the way across, and then he stopped. Time of download bar gradually got more and more long, up to what I canceled it (when the display estimated download time is six and a half).  The internet connection was problematic, or the Mac had stopped download (similar to the earier progress bar).  The second attempt to delete and download, the download bar has not yet started to progress.

My HARD drive has several volumes.

  1. The most important. My MacIntosh HD with OS 10.11.4 - El Capitan.
  2. The second, MacIntosh HD 2, is about 50 GB, a Mavericks installed on it.
  3. The third is 10.11.4 recovery volume.
  4. The fourth is another volume of recovery for the Mavericks.
  5. There is another called eDrive bulkhead.

Apart from MacIntosh HD, with none of these volumes I problems in starting up (with the possible exception of the Mavericks resumed, that I have not tried to access all since the update to El Capitan).

I used first aid utility disk several times, and no problems have been reported. I used the version of El Capitan permanently.

I can't understand why, after erasing the MacIntosh HD to do it again, I can't get the iMac to download the MacOS and reinstall.

A couple of clues-

  • After his clear utility drive always reports what is MacIntosh HD. (When I restart, the dialog "Select Start Drive" only shows the volume of the Mavericks and eDrive)
  • Disk utility also shows "Apple Disk Image/OS X Base System."  OF THE said that it is ejection. But this button does not work.  I suspect it's what might stop download me the installer and start again.

I used e-drive to check the iMac and, in particular, the drive HARD; even performed a surface scan.  No problems have been reported.

Your 2007 iMac is too old to download OS X, you need to install OS X since the recovery partition directly. If this does not work then Yes, something is wrong with your HD run Apple Hardware Test Mode Extended 2 - 3 times back to back, if errors appear which confirms what I said. You will need the original DVD that came with the computer in order to run it.

Tags: Mac

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