12/1/2021»»Wednesday

Sierra Patcher Tool

12/1/2021
  1. Mac High Sierra Patcher
  2. High Sierra Patch Tool

While the yearly major macOS update system is free to install, it is still limited to Macs that Apple deems compatible, and every year a generation of Macs essentially becomes obsolete. This is despite the fact that Apple is eager to emphasize that macOS is a widely compatible operating system.

. If selected in the macOS Post Install tool, your Mojave install will have a program named 'Patch Updater' located in your /Applications/Utilities folder. This program will alert you when new updates to patches are available for your machine, and will prompt you to install them. Download the latest Catalina Installer using the latest Catalina Patcher version. Some third-party applications do not open or crash on launch This is an issue Apple introduced in 10.15.4, and is not an issue with the patch itself. To work around this, immediately relaunch the affected application after receiving the crash message.

MacOS Catalina Patcher (formerly macOS Mojave Patcher, macOS High Sierra Patcher and macOS Sierra Patcher) is a small yet powerful tool that can help you create a bootable USB drive that can be. Hi, just to tell you that the clean installation and update on an iMac 11.2Mid 2010 of 21.5 'with x2 SSD Kingston on RAID 0 16GB Ram has worked perfectly with the MacOS High Sierra Patcher Tool for Unsupported Macs, without APFS, only Mac OS Plus registered.

As it happens, there are still people with close to ten-year-old Apple desktop computers still in use on a daily basis, likely performing a range of lighter tasks.

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Which Macs Don't Support High Sierra

For some reason Apple doesn't want to allow these Macs to run one of its latest operating systems, namely macOS 10.13 High Sierra. This leaves the following Macs on macOS 10.11 El Capitan:

Mac
  • MacBook Pro – late-2009 or earlier models
  • MacBook – late-2008 or earlier models
  • MacBook Air – 2009 or earlier models
  • iMac – late-2008 or earlier models
  • Mac Mini – 2009 or earlier models
  • Mac Pro – 2009 or earlier models.

These machines are considered obsolete and vintage by Apple. The company defines vintage products as those that have not been manufactured for more than five years but less than seven years ago. Obsolete products are those discontinued more than seven years ago.

How To Install macOS High Sierra on Unsupported Macs

Though Apple doesn't support the above hardware officially, someone has thought about sharing the love for these older machines. A developer known as DOSDude1 has written a patch that works on Macs with the Penryn architecture. Using this still imposes certain limitations, but at least makes it possible to install macOS High Sierra on the following Macs:

  • Early-2008 or newer Mac Pro, iMac, or MacBook Pro (MacPro 3,1 and 4,1, iMac 8,1 and 9,1, MacBook Pro 4,1, 5,1, 5,2, 5,3, 5,4, and 5,5).
  • Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBook Air 2,1, MacBook 5,1).
  • Early-2009 or newer Mac Mini or white MacBook (Mac Mini 3,1, MacBook 5,2)
  • Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1).

If you happen to own any of the Penryn Macs mentioned above, the macOS High Sierra Patch Tool written by DOSDude1 will make running the latest software possible. But remember, with High Sierra you will also migrate to the Apple File System, and it is highly recommended that you first disable SIP because it may prevent the patch from working at all.

Mac high sierra patcher

Installing the operating system on any of these Macs will require some technical knowledge, so it is not recommended for novice users. Also, a backup of your data is always a good idea in case anything goes wrong.

While there is a full step-by-step tutorial and video tutorial available on DOSDude1's website, it’s good to get a summary of the basics, which start with downloading the macOS High Sierra Installer app from the Mac App Store:

  1. Format a USB drive as Mac OS Extended (Journaled) via Disk Utility.
  2. Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”.
  3. Boot from the USB drive by holding down the option key after reboot.
  4. Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application.
  5. From the options, select the Mac model you own. This step is important, because it contains the optimal patch for that specific model.
  6. Click the “Patch” button, and after the process has finished, click “Reboot”.

The Reason Not To Install macOS High Sierra on an Unsupported Mac

As you may have already experienced with other types of officially unsupported machines, the probability of having issues is much higher. The same applies in this case, too, since the macOS High Sierra Patcher will render your iMac 8.1 Broadcom Wi-Fi chip useless for certain models.

Macs that use the Broadcom BCM4321 Wi-Fi module will not have functional Wi-Fi when running High Sierra. Another issue that has been highlighted by the developer is that the trackpad in the MacBook 5,2 isn't fully supported in this version of OS.

These are just a few of the possible issues that could arise, and this is before even mentioning the various potential software errors that you can run into by using out-of-date hardware. Without getting the proper knowledge beforehand, you'll need to revert back to the previous state of the Mac, which won't be an easy process, especially not without a Time Machine backup.

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RAID 0 is a popular disk setup solution to achieve the fastest possible read and write disk speeds by splitting data between two or more hard drives. The latest version of Mac OS X High Sierra (10.13) does not allow you to simply install to any kind of RAID configuration. This has frustrated a lot of the Mac community. Until Mac OS X High Sierra officially supports RAID configurations, follow the steps below to setup a fully functional RAID 0 configuration.

*You will notbe able to install system updates from the App Store on your live RAID volume. However, see our workaround at the end of guide. *

In order to install the latest version of Mac OS X onto a RAID 0 slice, you must clone a copy of your Mac OS X installation straight to the RAID 0 drives (not a restore, such as Time Machine, which will not work). To accomplish this, you need an external hard drive and a copy of SuperDupersoftware in addition to your RAID 0 drives. We will use the same Mac machine (that will use RAID 0) to perform all the steps below. This method uses hardware RAID and is not a software RAID.

Note: We strongly recommend taking a full backup (Time Machine) to another drive just in case when performing these steps! Save yourself from an accident!

  1. Use SuperDuper to clone your existing copy of Mac OS to the external drive.If you want to a fresh copy of Mac OS High Sierra instead, clone a copy of a fresh install of High Sierra to the external drive using SuperDuper.

Note: Be sure to complete your SuperDuper clones on the same type of Mac you will install the RAID 0 configuration on. This is important because your Mac OS High Sierra clone will have drivers and system files specific to that machines hardware.

  1. Next, boot from the cloned external drive we created. Plug in the drive and hold down the option key and choose the external drive install media.
  1. Now that we booted up from our external hard drive, we can manage our Mac’s internal hard drives and create our RAID 0 array. Remember to only create a RAID 0 array with the same model and capacity size drives.

Open Disk Utility in Applications -> Utilities and create your RAID 0 array shown below.

Go to File -> RAID Assistant

Select Striped (RAID 0)

Select your 2 internal hard drives to create the RAID array from

Name your single RAID drive. For Chunksize, choose a lower size if you will be using the RAID for regular needs (email/browsing/word processing.) For video editing, choose a higher chunk size.

Success screen appears

  1. Open SuperDuper and copy the external drive to your new RAID 0 drive.

The copy will complete successfully. Finally, go to System Preferences -> Startup Disk and select your new drive and restart. The first restart may take a little time as your boot files load for the first time.

You can confirm your successful RAID 0 in Disk Utility.

If system updates are available in the app store they will appear, but do not attempt to install them. Your computer will fail installing them and you will likely damage your OS installation! App Store Application updates will install OK. See below workaround.

Mac High Sierra Patcher

Install Mac OS 10.13 System Updates on RAID drive

  1. Time Machine backup your current RAID Mac OS System.
Macos high sierra patcher tool
  1. Boot to recovery mode. Destroy your RAID drive configuration and reate 2 separate Mac OS Journaled disks.
  1. Time machine recover to one of the two disks, boot up, and install updates from App Store.
  1. After updates are installed, create a new Time Machine Backup.
  1. Use SuperDuper to create a clone of your Mac OS with installed updates.
  1. Finally, boot from a different Mac OS High Sierra install disk. Create your RAID configuration and restore (using Disk Utility) or copy (Using SuperDuper) back to your RAID drive configuration.

Now you have the latest Mac OS X system updates installed on your RAID O configuration drive again. The entire process took us under 1 hour using SSD drives and USB 3.0.

High Sierra Patch Tool