- A Required Download Is Missing Mac Os X 10.8
- Download Mac Os X Dmg
- Mac Os 10.14 Download
- A Required Download Is Missing Mac Os X 10.13
- A Required Download Is Missing Mac Os X El Capitan
An installation error occurs sometimes for when upgrading from OS X Snow Leopard to OS X Lion “Can’t download the additional components needed to install Mac OS X” – Check your network configuration as the install needs to pull down software over the internet.
Also, OS X Mountain Lion takes up about 10 GB of space on its initial installation, so the computer where you install Mac OS X must have at least 10 GB of space in its hard drive. However, that's only the bare minimum; if you plan to install Mac OS X for day-to-day use, I recommend allocating at least 50 GB of space. Uncovering the missing Mac OS X applications. Mac fans will point out that almost every computing niche is covered by some Mac-native software and that Mac applications are often 'better'. I'd made a thumbdrive installer for 10.8 this summer and successfully used it on another one of my Macs. But on this one it gets to the end and reports 'Can't download the additional components needed to install OS X.' Internet is fine; I can connect to Apple's software update and iTunes Store servers, for example. Reinstalling your Operating System can sometimes be a necessary measure, but that does not make it any less tedious. This applies to all of the Operating Systems out there, including OS X. If no one knows the answer to this are there any suggestions where I can go to get an answer? There were no responses on Apple Forum.
A Required Download Is Missing Mac Os X 10.8
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Download Mac Os X Dmg
But the network configuration is OK.!
Mac Os 10.14 Download
Check that Software Update can connect directly to Apple Software Update Servers not a custom internal one, remove any Managed Preferences if it is a managed host.
Option 1
If that still doesn’t get rid of the message I have found on a device that the drive needed to be reformatted – the only thing different about the drive I was trying to install to was that it had a Boot Camp partition on it The Boot Camp partition might be a red herring but certainly reformatting the disk solved the issue.
So:
A Required Download Is Missing Mac Os X 10.13
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A Required Download Is Missing Mac Os X El Capitan
- clone the main HD drive to an external disk use CCC – link below
- boot from the external
- erase/reformat the main HD – use HFS Extended Journaled
- clone back the main HD from the external
- reboot from the main drive
- run the installation upgrade again
This time – no problems.
If you don’t care whats on the disk just erase it and run the upgrade, I wanted to keep all the data intact in my example, hence the clone back.
Cloning courtesy of the fantastic bombastic CCC.
Option 2
Another potential solution is to remove any RAM over 4GB run the install and then put the additional RAM back in after – even then try and limit the RAM slots to one, so not 2GB in each – rather 1 slot with 4GB.