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Q: I have a iMac OS X, I would like to replace my Hard Drive. How do I go about doing this? The reason I want to do this, ... I have a iMac OS X, I would like to replace my Hard Drive. How do I go about doing this? The reason I want to do this, is because this computer was given to me. But the original Administrator name is still attached to the iMac OS X operating CPU. more
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by Carolyn Samit,Sep 19, 2016 1:04 PM in response to larry d.fromdurham
Carolyn Samit
Sep 19, 2016 1:04 PM
in response to larry d.fromdurham
Level 10 (124,341 points)
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Sep 19, 2016 1:10 PM in response to larry d.fromdurhamby Kappy,Not necessary unless it is malfunctioning. You need to first reformat the drive then install your own copy of OS X. If your iMac is post-2011 then do this:
Network Restore of OS X
- Restart the computer. Immediately after the chime hold down the Command-Option-R keys until a globe appears.
- The Utility Menu will appear in from 5-20 minutes. Be patient.
- Select Disk Utility and click on the Continue button.
- When Disk Utility loads select the drive (usually, the out-dented entry) from the side list.
- Click on the Partition tab in Disk Utility's main window. A panel will drop down.
- Set the partition scheme to GUID.
- Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button, then click on the Done button when it activates.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
This should install the version of OS X that was pre-installed when the computer was new.