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Merging two partitions on external hard drive

I have read solutions to this problem, but nothing seems to work. I want to format the entire disk, but it shows up as two separate disks in Disk Utility. Apparently, the drive has no name and/or isn't recognized as a single entity/physical drive. How do I get DU to see it as an external drive with 2 partitions rather than 2 separate drives?


iMac 21.5″, macOS 13.1

Posted on Jan 13, 2023 5:04 PM

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Posted on Jan 14, 2023 12:10 AM

Did you set "View > Show all devices" in Disk Utility and then erase the whole device (not just volumes under it) as APFS (SSD) or Mac OS Extended, Journaled (HDD)?

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Merging two partitions on external hard drive

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