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paultuc Author

Level 1

8 points

How to install MacOS

I've just replaced the original 1TB HD with a 2TB SDD drive in a Late 2009 iMac 27 inch. Essentially I now have a blank HD so I'd like to know how to install the MacOS ? I did the startup holding down Command-R but of course just got a Folder icon with flashing '?' as there has never been an OS on the drive.

I have access to a MacBook Pro & DVD drive so I could make a boot disk if this was the right course of action but I'd need step-by-step instructions if this is the best course of action

Posted on Dec 20, 2020 10:05 AM

Top-ranking reply

Niel

Level 10

732,299 points

Posted on Dec 21, 2020 6:17 AM

Click here and follow the instructions.

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How to install MacOS

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