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Trying to up grade from High sierra To Monterey on iMac 10.13.6.
Gave up 2 years ago on the last attempt.
Same message this time ......cant use mac HD destination because it is a backup ??
iMac 21.5″, macOS 10.13
Please refer to this old Discussion: Upgrade to Catalina.
In it,
John Galt wrote:
That Support document explains what happens if you attempt to do what it says. However, Step 2 explains the salient point: If a Backups.backupdb folder exists at the root level of whatever device on which you're attempting to install macOS, the installer will conclude it's a Time Machine backup drive, and won't let you proceed.
The document I referenced no longer exists because that problem is not supposed to happen any more. I wonder if the cause remains the same.
Please refer to this old Discussion: Upgrade to Catalina.
In it,
John Galt wrote:
That Support document explains what happens if you attempt to do what it says. However, Step 2 explains the salient point: If a Backups.backupdb folder exists at the root level of whatever device on which you're attempting to install macOS, the installer will conclude it's a Time Machine backup drive, and won't let you proceed.
The document I referenced no longer exists because that problem is not supposed to happen any more. I wonder if the cause remains the same.
What model year iMac do you own?
21.5 inch late 2015.
cant install monterey on mac drive because message says it is a backup
