How to restore yosemite after eracing

I have problems with El Capitan, I eraced it can now begin yosemite, restore, time machine does not? IMac

If you still have the HD Recovery, then try this:

Install El Capitan from scratch

Backup if possible before proceeding.

  1. Restart the computer. Immediately after the chime hold down the command and R buttons until the Apple logo appears. When the Utility Menu appears:
  2. Select utility disc in the Menu Utility, then click the continue button.
  3. When loading disk utility, select the volume (entered into withdrawal, usually Macintosh HD) from the list of devices.
  4. Click Delete in the main window of disk utility. A panel will fall.
  5. Define the type of Format Mac OS extended (journaled).
  6. Click on the apply button, then wait for the done button to activate and click on it.
  7. Quit disk utility and re-enter the Utility Menu.
  8. Select reinstall OS X and click on the continue button.

Tags: Mac OS & System Software

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