cloning my hard drive chose wrong partition format

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cloning my hard drive chose wrong partition format

I'm cloning my wife's hard drive to upgrade her to a bigger solid state drive. When I went to format the drive, I foolishly chose 'Apple partition map' as the partition choice, rather than GUID. Now I know that I need it to be GUID in order for it to work. Is there any way to change the partitioning back, or have I just wasted an expensive new drive? If there is a way, could someone please walk me through it? I've tried and failed. Thanks.

MacBook Pro

Posted on Dec 19, 2022 10:26 AM

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Answer 1

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HWTech

Level 9

68,594 points

Dec 19, 2022 7:18 PM in response to TKLJoyces

You just need to erase the whole physical drive again to start over. Within Disk Utility you may need to click "View" and select "Show All Devices" so the physical drive appears on the left pane of Disk Utility.

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Answer 2

TKLJoyces Author

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Dec 20, 2022 2:10 AM in response to TKLJoyces

I should probably say for future readers that I had tried to do just this before, but when I chose the drive, in my case, "Sue's new drive", from the list, it wouldn't give me the option of changing the partition type. But when I chose the parent name, "Sabrent media" and did the erase function, it did give me the option, and it worked. Thanks again.

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Answer 3

TKLJoyces Author

Level 1

4 points

Dec 20, 2022 2:07 AM in response to HWTech

Thank you, HWTech. That's done the trick! I had tried other things and read a bunch of other articles and couldn't get it to work. Bless you, and have a happy Christmas!

TKLJoyces

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Answer 4

HWTech

Level 9

68,594 points

Dec 20, 2022 6:35 AM in response to TKLJoyces

You are welcome. Enjoy the holidays.

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cloning my hard drive chose wrong partition format

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