- #Convert dmg to app version for os x mountain lion mac os x#
- #Convert dmg to app version for os x mountain lion install#
- #Convert dmg to app version for os x mountain lion update#
- #Convert dmg to app version for os x mountain lion full#
#Convert dmg to app version for os x mountain lion mac os x#
VMware then opens a window saying "No operating system was found." I get the same error when trying Mac OS X 10.8 Mountain Lion, and I haven't yet tried other OS versions. I go to File -> New, click "Install from disc or image," select the corresponding InstallMacOSX.dmg disk image file, selecting the specific OS version (I tried selecting the 32-bit and 64-bit versions in separate attempts since I'm not sure which the linked installer is) and both times when the instance reboots, it says it couldn't find a hard drive or CD-ROM drive ("No compatible bootloader found" for each one).
#Convert dmg to app version for os x mountain lion install#
I tried installing Mac OS X 10.7 Lion downloaded from Apple's website here (I own the original DVD as well, but don't have an optical drive), yet I can't seem to install it. I'm using the free VMware Fusion Player license (application version 12.1.2 running on a 2020 Intel Mac running macOS 10.15.7). Technically, you can also re-download the OS X Lion installer this way too, though it would be hard to imagine a scenario where a user would want Lion over OS X Mountain Lion, let alone OS X Mavericks.I hope I'm posting in the right sub-forum. You can build a USB installer for Mavericks Now that you have the installer handy,you can create a boot installer for Mountain Lion if you want to perform a clean installation of 10.8 on another compatible Mac.Īs mentioned before, we generally recommend keeping up to date with the latest version of OS X supported by a Mac, which for most machines is OS X Mavericks.
#Convert dmg to app version for os x mountain lion full#
Wait for the full download to complete (it’s about 5GB) and find the “Install OS X Mountain Lion” application in the /Applications/ directory.Are you sure you want to download OS X 10.8?” – click ‘Continue’ You will find a message saying “Would you like to continue? OS X 10.9 is already installed on this computer.Scroll through the list until you find “OS X Mountain Lion” – do not use the Search box because it will try and fail by looking within the wider Mac App Store.Open the App Store application as usual, from /Applications/.If you did not buy, download, or install Mountain Lion from the App Store with an Apple ID, this will not work. This works even if it was originally on another Mac than what is currently in use. To be able to get the older version of OS X from the Mac App Store again, you must have obtained OS X Mountain Lion from the App Store at some point in time, thus tying it to your Apple ID and Mac App Store account. Finally, do not attempt to install OS X Mountain Lion on a newer Mac that shipped with OS X Mavericks pre-installed, the installation of 10.8 will fail because it does not support the newest hardware while 10.9 does. If you’re experiencing unusual problems with Mavericks, you may want to try a clean install.
Users who wish to downgrade from OS X Mavericks to Mountain Lion should follow these instructions instead, but be aware that it requires a backup from the prior OS X version. Using the downloaded installer will not work to revert from a Mac with Mavericks to Mountain Lion. Important Note: This is really a trick aimed at advanced users who know why they want an older version of OS X. With OS X Mountain Lion officially off the App Store though, you can’t just search for it and choose to re-download, but that doesn’t necessarily mean users can’t retrieve the installer again.
#Convert dmg to app version for os x mountain lion update#
Additionally, there are circumstances where users looking to update from Snow Leopard or OS X Lion may want to go to OS X Mountain Lion instead of Mavericks for compatibility reasons, or to avoid some of the potential issues discussed here by readers with Mail app and iCloud syncing that have frustrated some using current versions of 10.9.1 (those are since resolved with 10.9.2, update to avoid those issues). Though it is generally recommended for users to keep their Macs up to date with the latest system software, not everyone wants to run OS X Mavericks on all of their Macs, and in some situations older Macs may not support the latest version of OS X anyway.
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