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Alright, the automated patcher is now complete, and SHOULD work perfectly fine. Here's how to use it: First, browse for your copy of the macOS Sierra installer app. Second, select your USB drive that you want to use to install macOS with, and click Start Operation. When the tool finishes, boot it on your unsupported Mac, and install normally. After the installation completes, boot back into the installer, go to the Utilities menu, and select "macOS Post Install". Select the drive on which you just installed macOS, and click "patch". You should now have a working system, with the exception of WiFi on some systems. http://dosdude1.com/sierra/macOS Sierra Patcher.zip

Will it work 100% on my early 2008 iMac and my Late 2008 MacBook Unibody? Or there are still some bugs regarding: Wifi, USB, trackpad or keyboard?

CONGRATULATIONS ON WHAT YOU'RE DOING TO THE COMMUNITY!
 
Will it work 100% on my early 2008 iMac and my Late 2008 MacBook Unibody? Or there are still some bugs regarding: Wifi, USB, trackpad or keyboard?

CONGRATULATIONS ON WHAT YOU'RE DOING TO THE COMMUNITY!
Wifi is the only issue at this point. And yes, it should work on both of those machines.
 
Uhh, the tool took about 5 seconds to copy the file, is this normal? I couldn't boot it up, I got a no symbol.

Trying again.
On which stage? I had an issue during the installation, which I think I've managed to fix.
 
You must have the Install 10.12 Developer Preview.app in your Applications folder, or it may not work.

It's taking a reasonable time, and it's on Patching files. I will attempt to boot the USB and report.

MacBook5.1
 
Alright, the automated patcher is now complete, and SHOULD work perfectly fine. Here's how to use it: First, browse for your copy of the macOS Sierra installer app. Second, select your USB drive that you want to use to install macOS with, and click Start Operation. When the tool finishes, boot it on your unsupported Mac, and install normally. After the installation completes, boot back into the installer, go to the Utilities menu, and select "macOS Post Install". Select the drive on which you just installed macOS, and click "patch". You should now have a working system, with the exception of WiFi on some systems. http://dosdude1.com/sierra/macOS Sierra Patcher.zip
Greetings dosdude1;

Will this work on a HD/SSD that already has Sierra installed? Just use the Patch only?

Thanks.
 
@macsba
That should work, yes.
[doublepost=1466207604][/doublepost]OK, so I'm in the installer and NO!
Request failed to initialize.
Quit the installer to restart your computer and try again.
Yeah, that was an issue I ran into. It's already been fixed, just go re-download the tool and re-create your drive.
 
OK
Another trick to make the tool work is to erase the drive as Mac OS Extended (Journaled) and GUID before running the utility, otherwise, it finishes waay to quick.
 
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Just tried the steps above using DosDude1's Tool.

Tool was successful in creating the installation media.

Booted from the newly created installation media and installed as per a normal OS X install.

Installation was successful and MacBook auto restarted after countdown completed.

Booted back into the Install media so i could then run the Post Install Patch.

Post Install patch was successful and rebooted.

MacBook is now showing the No Entry sign when booting from the internal SATA SSD.

I have a Late 2008 MacBook 5,1 Unibody.

What stage did i get wrong?
 
Just tried the steps above using DosDude1's Tool.

Tool was successful in creating the installation media.

Booted from the newly created installation media and installed as per a normal OS X install.

Installation was successful and MacBook auto restarted after countdown completed.

Booted back into the Install media so i could then run the Post Install Patch.

Post Install patch was successful and rebooted.

MacBook is now showing the No Entry sign when booting from the internal SATA SSD.

I have a Late 2008 MacBook 5,1 Unibody.

What stage did i get wrong?
The post-install tool may not be working properly. I'll fix it later.
[doublepost=1466212754][/doublepost]
I am downloading the Sierra Full install.dmg and will use the automated tool ..

will this copy work normal ? also i want to install it on my disk without erasing it .. is that okay or maybe this will cause a loss of data ?
This is designed to work with the installer app. The pre-installed image is designed to be restored onto a hard disk partition.
 
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Wiped the Mavericks partition on my MacBook Air 2,1 and used @dosdude1's tool to create a Sierra installer. Process was quick and it booted right up... to the can not symbol. It doesn't seem like anything was patched.
 
Wiped the Mavericks partition on my MacBook Air 2,1 and used @dosdude1's tool to create a Sierra installer. Process was quick and it booted right up... to the can not symbol. It doesn't seem like anything was patched.
Make sure the drive is formatted as Mac OS Extended (Journaled) and GUID.
 
So the post-installing tool may not work with me ? I have a macbook pro Mid 2009 ..

I am on the downloading process till now ... should i wait till you fix the tool or i can give it a try when i finish ?
It probably won't work as intended right now. I'll fix it as soon as I get the chance.
 
It is. I have Snow Leopard, Mountain Lion, El Capitan installed on the SSD and they all work fine.
This creates an installer, designed to be put on a USB drive, not a full install. It still needs a bit of work, though.
 
This creates an installer, designed to be put on a USB drive, not a full install.
Yes, but it should be bootable on a MacBook Air 2,1, right? I can also try on my USB SSD, but I have not had much success getting a Sierra install to boot from it.
 
Wifi is the only issue at this point. And yes, it should work on both of those machines.
You beat me to it! I was working on the automated installer too. I ran into a bug so I'll put it on github. Mine has some extra features like enabling displayport audio and track pad gestures on unsupported computers, and including the drivers for the older non gigabit USB Ethernet adapter. Also it uses a method I discovered to bypass compatibility check WITHOUT changing platformsupport
 
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