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New WD Internal HDD Not Initializing Mac Pro

Installed HDD. Disk Utility pops up but only First Aid, Erase and Restore are lit. Ran First Aid with no results. Looked online and could not find any information that matched my issue.

Mac Pro, OS X 10.11

Posted on Aug 21, 2023 4:18 PM

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Question marked as Top-ranking reply

Posted on Aug 21, 2023 5:53 PM

Be sure you choose "Show all Devices" from the little drop down menu. You want to erase the PHYSICAL device by its manufacturer-provided name.


In newer versions of MacOS the two steps Erase and Partition (aka Initialize) are combined into a slightly more complex ERASE command. when you erase, you choose the partition scheme (GIUD) and a Volume type (typically MacOS Extended (journaled)) and give the Volume a name and it does all in one operation. it just takes about a minute.


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2 replies
Question marked as Top-ranking reply

Aug 21, 2023 5:53 PM in response to DBLewis

Be sure you choose "Show all Devices" from the little drop down menu. You want to erase the PHYSICAL device by its manufacturer-provided name.


In newer versions of MacOS the two steps Erase and Partition (aka Initialize) are combined into a slightly more complex ERASE command. when you erase, you choose the partition scheme (GIUD) and a Volume type (typically MacOS Extended (journaled)) and give the Volume a name and it does all in one operation. it just takes about a minute.


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New WD Internal HDD Not Initializing Mac Pro

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