Mac os x cannot be installed on this computer imac


Is your computer among those listed as compatible with Sierra?

How to install macOS Mojave on Unsupported Mac's

On this page on the Apple web site it says that you have to upgrade to El Capitan before you can upgrade to Mojave: Which is probably why you are having trouble upgrading from Lion. Repeated installation requests results in this message: Try again later.


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Any suggestions on when this OSX will be available? Did you dispose of your El Capitan installer after upgrading to macOS It was in your Applications folder.

On your own head and someone else's hard drive

Better yet would be to reinstall using Time Machine or a clone of that OS. Any fixes for this? Hi, Art. For immediate assistance on this issue, please contact our customer support team at: The error message you received can occur if you were using FileVault at some point in the past. I hate your updates. My photos are missing and whenever I plug my phone into the computer it beeps and is not recognized.

Halfway through the install the mini started with the 3 beep cycle.

After some experimentations, the Mojave installation resumed with 1 original RAM module in top tray. I replaced the drive and that solved it, but the first patch beta saw error 22 come back and I had to wipe the drive and reinstall. Caller not allowed to perform action: I do know 17E is the kernel for macOS Maybe a sandboxing problem? And probably the assertion failure has no connection to the launchd error. Not right now, anyway. And watching what happens to early adoptors. So, this is just one more issue to watch out for. It has a yellow triangle on it.

Mac OS X cannot be installed on this computer

This problem happens because the Snow Leopard installer detects a small discrepancy in the partition table of the drive, and assumes booting off the drive may not be successful. The fixes involve rewriting the table without formatting the drive, but if that does not work then formatting should definitely work provided you have a backup. The first thing to do is run Disk Utility or, even better, run a third-party utility program to check out the drive to ensure it is functioning correctly. Fixing any errors may require booting off a volume other than the boot volume i. This problem might happen even if the drive checks out with various disk utility software.

The way around this is to have Disk Utility repartition the drive, which, luckily, can be done without having to format the drive. Then launch "Disk Utility" from the "Utilities" menu and perform the following steps:. After this is done, quit out of Disk Utility and try installing Snow Leopard again.

Since you are booted from the Snow Leopard DVD you should be able to continue immediately without having to reboot your system. If you have a full system backup via Time Machine or a drive clone, you can format your boot drive and do a clean install of OS X. When the installer loads, select your language and then launch "Disk Utility" from the "Utilities" menu and perform the following steps:.

In this procedure, you can migrate from either your Time Machine backup, or from a cloned drive. Keep in mind that when you do this you may need to reinstall some programs since a clean install may break some application dependency links to system files.

Mac OS X can't be installed on this compu… - Apple Community

I get the message "OS X can not be installed on this computer. I reboot Then I switch the HD for the new one I get the same " I call Apple, they suggested that I get SnowLeopard It won't even recognize that as a bootable drive. I get the "? Folder" at startup after the disc spins for about minutes.

They sent me 3 discs after I called again.

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I feel that if they sent me a CD version of the install disc Still I find it strange that the Admittedly I bought the Leopard discs from a retail store that is not Apple Apple doesn't carry Leopard I'm hoping that the discs were not serialized to the machines that they might have come with I would be highly upset. Short of replacing the logic board here I've been through it all with this machine.

All information grabbed from this site: In the times this has happened to me it has been a failure to updated the Date in terminal, the computer thinks its too old to install a new OS than it originally shipped with. Select a Language: Help Translate iFixit.


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Back Answers Index. Mark Wynn Rep: Thank you. View the answer I have this problem too Subscribed to new answers. Is this a good question?


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