The latest version of the macOS operating system, macOS High Sierra, was released on Monday, September 25, 2017.
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More precisely than the official info, the following list of Macs support OS X Mountain Lion, provided that they have 2 GB of memory, at least 8 GB of available storage space, and are running Mac OS X 10.6.8 'Snow Leopard' or later, which includes any version of OS X 10.7 'Lion.' If you need to upgrade the RAM or storage in your Mac, EveryMac. 10.9 Mac Os Dmg Mountain Lion Direct Download Bootable Dmg Open Office Dmg Free Download Skyrim Torch Does Insane Dmg Video To Mp3 Converter Dmg D2 All Resist Or Dmg Reduced By Iatkos L2 Dmg Usb Windows Os X Yosemite 10.10 Download Dmg Adobe Flash Pro Dmg Download Photoshop Cs3 Dmg Free Download. The mac OS X Mavericks are one of the most revolutionary Mac OS X releases that imbibed all the revolutionary features that make apple stand a class apart. You can download the DMG file from the below link and make sure that you have met all the basic system that requires to run the Mac OS X Mavericks on your Mac system without any hassles. Mac Os 10 9 free download - Apple Mac OS X Snow Leopard, Apple Mac OS Update 8.6, Windows 10, and many more programs.
In this article, we will explain how to upgrade mac to macOS High Sierra.
Why Should We Upgrade to macOS High Sierra?
Apple released the latest macOS, High Sierra, and added some new features including a new and improved Apple File System (AFPS), a faster browser, stellar graphics, better gaming capabilities and VR support. MacOS 10.13 is absolutely worthwhile to upgrade your Mac.
macOS High Sierra System Compatibility
You can download and install macOS High Sierra OS for free in 2009 or later. Basically, if your Mac is currently running macOS Sierra system (macOS 10.12), you can smoothly upgrade to macOS High Sierra.
The following is the device compatibility information released by Apple:
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Some features, such as High Efficiency Video Coding (HEVC) encoding and decoding require newer processors and devices, some of which unfortunately cannot run on older devices.
If you are running OS X Lion (10.7.5) or later, you can upgrade directly to macOS High Sierra.
How to Upgrade macOS
There are two ways to upgrade macOS: directly in Mac App Store, or upgrade using an USB device.
No matter which way you choose, always remember to back up your data before performing an upgrade.
Time Machine Backup
Apple has its own official backup tool: Time Machine. This feature was released in OS X 10.5 Leopard. If you have never backed up, let me tell you how important it is.
Time Machine can connect to your Mac and any external hard drive via USB, FireWire or Thunderbolt port. Back up everything on your Mac directly to your hard drive, in case the Mac cannot upgrade properly.
It also supports Apple’s Time Capsule and backup disks connected over a network as long as the disks support AFPS. As long as the disk is available to your Mac, you can use it for Time Machine backups.
When enabled, Apple’s Time Machine will periodically transfer all files and store data on an inserted external hard drive or on a Time Capsule connected to the network.
You can choose hourly, daily or weekly backup to store your data on the external hard drive. When the external device is full, Time Machine will delete the oldest backup and replace it with the newer version.
Let’s check how to enable Time Machine backup on Mac devices.
1. Choose “System Preferences…” from the Mac menu.
2. Double-click the Time Machine icon.
3. Click “Select Backup Disk…” to select the disk you want to use as a Time Machine backup.
4. Select the “Back Up Automatically” check box so that your Mac will automatically back up data to your chosen disk.
If you want to restore files from Time Machine, make sure your Mac is running. Click “Enter Time Machine”, find the previous file or folder, and then click “Restore.”
Besides Time Machine, you can try other great backup and restore software such as Carbon Copy Cloner (CCC) and SuperDuper.
1. Direct Upgrade in Mac App Store
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Generally, you can upgrade your system directly in the Mac App Store by clicking “Check for Updates” or click the following link to download macOS High Sierra:
If you use a Beta version, you still need to click the link above to download the system, or go to the developer’s website for download information.
If you want to choose “USB clean upgrade”, check the detailed information below.
2. Upgrade using USB device
i. USB Preparation
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Before formatting your current operating system, download macOS High Sierra from the Mac App Store first. You will need a copy of macOS High Sierra to perform a clean installation later. If you want to upgrade to this version, it is possible as long as your current operating system version is lower than macOS High Sierra.
Natively, look for “Disk Utility” in your application, select an external USB device with a capacity of 8 GB or larger, format it directly, and remember to choose the format “Mac OS Extended (Journaled)”. If it is a hard disk, it would be better to make a partition beforehand.
If you have already downloaded the macOS High Sierra package, do not click on the installation. Directly open the “terminal” program, which you can find in the application.
When typing the following text in the terminal, check the name of the formatted external USB device. If you do not name it “Untitled”, you need to change the command syntax of the path name: Volumes/Untitled. The names of external USB devices cannot contain spaces and are case sensitive.
sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install macOS High Sierra.app –nointeraction
Press “Enter” on your keyboard to execute the command. You will then be prompted to enter the administrator password. It will start the process after the operation, which can take a long time, depending on the transfer speed of the external USB device. When done, the terminal window will report “Done.”
ii. USB Upgrade Installation
a. Click the Apple icon .
b. Choose “Restart…” from the drop-down menu.
c. Press and hold “Command+R” when you hear a startup ring (or when the screen on your newer Mac device turns black), and hold down the keys until your computer restarts.
d. Open “Disk Utility”, choose your startup disk, and then click “Erase”.
e. Select “Mac OS Extended (Journaled)” from the list of volume formats and start formatting.
f. When it returns to the former page, insert your USB and click “Continue”.
g. When the installation window appears, click “Continue” again.
h. Agree to the software terms and conditions. Choose your hard drive.
i. Click “Install” and wait until the upgrade is done.
How to Keep Your Mac Always Clean
If you have done a complete installation of macOS, you must be enjoying the completely new macOS now. I believe you also want to keep your Mac clean. Let’s say someday your Mac has a lot of junk files and duplicate photos. There are also probably many apps you have never used and don’t need them anymore. I must tell you there is a savior for your Mac! Its name is Cleaner One Pro. It’s really great to have such a system optimizing tool. With its “Junk Files” feature, it not only cleans temporary files including logs, mail caches, iTunes and iOS temporary files, and empties trash for the current user, but also detects remaining files after deleting apps.
It also has a function called “Duplicate Files”, which can find duplicate files on your Mac through fast and accurate scanning techniques covering your entire home folder. Duplicates are selected not only by the file name but also by their contents. Files are shown in detailed previews. It can further help you decide which copy to delete by presenting the “Auto Select” button.
Duplicates can be sorted by file type and listed in their full route for you to track. You can decide which way to clean these files; either by sending them to trash or deleting them permanently.
You probably also need an intelligent app uninstaller. Don’t worry, Cleaner One Pro has this function. It can auto-clean leftovers of deleted apps and manage all the applications installed on your Mac easily. When you remove an app you don’t need anymore, it can get rid of all the associated files of the uninstalled app as well. It will also notify you of new updates to installed apps.
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This tutorial shows you how to get Mac OS X 10.8.4 (Mountain Lion) running on a late-2006 Mac Mini (model A1176), which officially can only support up to Mac OS 10.6.8 (Snow Leopard), according to this Wikipedia article. Although I have not tested it myself, the same steps would probably work if you have an early-2006 Mac Mini.
Hardware upgrades
Mac Mini 2006 comes with a Core Solo or a Duo Core processor, whereas Mac OS X Mountain Lion requires at least a Core 2 Duo, so you will need to upgrade the processor on your Mac Mini first before continuing. Although it is possible to patch the installer to run on a Core Duo, I would still recommend upgrading for a straightforward installation experience. Compatible processors can be found on eBay for as low as US$20 and available at a wide variety of speeds – 2GHz, 2.16GHz or 2.33GHz. A detailed step-by-step guide on how to upgrade the processor can be found here.
Optionally, to make the whole process worthwhile, it is also recommended to upgrade the RAM. Although the Mac Mini 2006 comes with the Macmini1,1 firmware which can only support up to 2GB of RAM and will not boot if more than 2GB is installed, you can install up to 4GB (2 pieces of 667MHz laptop DDR2 SDRAM) by updating the firmware to Macmini2,1, originally meant for the Mac Mini 2007 family. The steps are summarized below:
- Download the newer firmware from here http://www.mediafire.com/?lfangrn69rxln3q and extract it
- Put the extracted files in /System/Library/CoreServices/Firmware Updates folder. Check the permissions of the files, or just do a chmod 777 on the files to be safe.
- Run the following command in terminal:
sudo bless-mount /-firmware/System/Library/CoreServices/Firmware Updates/EFIUpdaterApp.efi-payload/System/Library/CoreServices/Firmware Updates/LOCKED_MM11_0055_08B.fd-options “-x-apple-efi payload0-data” -verbose - Turn off the computer by shutting it down from the Apple menu.
- Wait for a few seconds and press the power button until the power LED flashes. Wait until the flashing stops.
- At this point the firmware upgrade is completed. You may see some distorted pictures on the screen, which is normal. Simply turn the Mac Mini off by pressing the Power button, and turn it back on
- After a reboot, the Mac Mini should recognize 4GB of RAM.
- If the machine doesn’t boot up or doesn’t recognize the extra RAM, check that the memory modules have been securely inserted. If it still doesn’t work, try to do a PRAM reset.
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The machine can only use around 3.3 GB out of the total of 4GB that is recognized, due to limitations of the 32-bit processor. And while you are at it, take the time to upgrade the hard disk (a 2.5″ SATA drive) to an SSD, preferably 128GB or more. The final configuration, 2GHz Core 2 Duo with 4GB RAM and 128GB SSD, will make your Mac Mini 2006 machine performance more or less in line with the Mac Mini 2009, a much later model.
Preparing the installation
Before you proceed you will need to upgrade the OS on your Mac Mini to Snow Leopard 10.6.8, the last officially supported version. Next, get your Mountain Lion installer media ready – which can be a .DMG image or an actual DVD. After that, download MLPostfactor 0.3 from here, needed to patch the original Mountain Lion installer disk, which does not support the Mac Mini 2006, to run on your machine.
As at the time of writing this article (May 2015), MLPostfactor 0.3 only supports Mac OS up to 10.8.4. Versions 10.8.5 or above are not supported, so make sure that your installer is of the right version.
To make it easier to switch the boot partition without holding the Option key, you may also want to install a boot manager such as rEFIt.
Bypassing MLPostfactor limitation
Here comes the trick. The user interface for version 0.3 of MLPostfactor apparently only supports OS X Lion (10.7) and will refuse to run on 10.6. I tried to trick it by changing the system version number in /System/Library/CoreServices/SystemVersion.plist but things would still not work – MLPostfactor started but could not find Install OS X Mountain Lion.app in the Applications folder even though the installer was clearly there. A workaround would be to use MLPostfactor 0.2, which can run on Snow Leopard, to upgrade the system first to 10.7, and from there upgrade it to 10.8 by running MLPostfactor 0.3 again. I did not attempt this method because it seemed time consuming and most importantly, I had no installer disc for 10.7.
My relief came when I read this article which showed me how to use MLPostfactor from the command line. Apparently there is another MLPostfactor.app folder inside the original MLPostfactor app which can be invoked using the following command to patch the installer:
Surprisingly, there is no version check in the command line version of MLPostfactor and this method actually works to create the 10.8.4 installer partition. There are a few other commands that need to be done to patch the installer partition – refer to the original article for details.
Using MLPostfactor from bash script
A simpler way would be to use the MLPostfactor script written by pjherron available from github. With this script, the steps to upgrade to 10.8.4 from 10.6.8 on your Mac Mini can be summarized as below:
- Download MLPostFactor 0.3 and unzip it to desktop
- Copy the ‘Install OS X Mountain Lion.app’ folder from your 10.8.4 installer disc to the Applications folder
- Create a 8 GB or larger partition on the target drive to host the patched installer. The volume label should be Install and it should be automatically mounted at /Volumes/Install
- Create another partition, 20GB or more, on the target drive where you will install 10.8.4. Alternative, if you do not need the original Snow Leopard partition, you do not need to create this partition and can simply choose to install on the Snow Leopard partition later, losing all existing data.
- Run the upgradesl2ml.sh script and give it 30 minutes to an hour to complete. When done, reboot the machine and choose to boot from the 10.8.4 installer partition just created
- When prompted, choose to install 10.8.4 on the partition created in step 4, or simply overwrite your Snow Leopard partition. It is highly recommended to format the partition and perform a clean install – do not perform an upgrade as there are known issues.
- Let the installer run. The process will either end in an error or a white screen – this is normal. Reboot the machine when this happens.
- Choose to boot from the 10.8.4 installer partition again (not the partition where you installed 10.8.4 to).
- When the installer finishes starting up, choose MLPostfactor from the Utilities menu and let it repair the partition where you’ve just installed 10.8.4
- When the repair is done, reboot your system and choose to boot from your fresh Mountain Lion partition. It should boot normally
- Done, you can now enjoy Mountain Lion on your Mac Mini 2006!
If the installation is successful, the About This Mac dialog should show something similar to below:
![Macbook Macbook](/uploads/1/2/8/3/128391475/734379046.jpg)
Common issues
In my experiment, the final system runs fine without major issues. Application such as Firefox, Skype or even xCode and the iOS simulator could run well. VLC player works well to play normal DivX or Xvid videos. The only major application that is problematic is Dropbox, which couldn’t even install due to error ‘no mountable filesystems’ when mounting the installer DMG. Tuxera NTFS can install and appears to work but will later cause random kernel panic when browsing NTFS partitions in Finder. I had to resort to removing Tuxera and learn to live with read-only NTFS support for now.
If your dock in Finder appears to be transparent after the installation, open Terminal and run the following command to fix it:
Read here for other useful tips and tricks.
Other than the above issues, my installation of 10.8.4 on the Mac Mini is stable and serves me well as my daily work machine. My next attempt would be to install 10.9 (Mavericks) or 10.10 (Yosemite) on this computer. As far as I know, although there are proof-of-concept attempts, nobody has managed to get a stable working system yet, presumably due to challenges in getting graphics drivers to work properly.
See also
Upgrading the SSD in a mid-2012 Macbook Air
Keyboard issues in GRUB bootloader on a Mac Mini booting Mac OS, Windows and Ubuntu Linux
Keyboard issues in GRUB bootloader on a Mac Mini booting Mac OS, Windows and Ubuntu Linux