OS X El Capitan on Unsupported Macs

macOS Extracter and MacPostFactor are apps that guide you through patching and installing OS X El Capitan (10.11), Yosemite (10.10), Mavericks(10.9), or Mountain Lion (10.8) on your older Mac. This thread focuses on OS X El Capitan.
MacPostFactor works for El Capitan, Mountain Lion, Mavericks, and Yosemite (certain Models).
Please note that older GPU (GMA 950, X3100, X1600, X1300, X1900, 7300gt, etc.) Graphics Acceleration on Mavericks and Yosemite is not supported yet but this thread consists of many graphical workarounds.

Installing on these models may cause them to have graphical issues as stated in these pages. Kexts are provided to help a little bit. macOS Extractor is somewhat for more advanced users and should only be used as an alternative to MacPostFactor. This thread consists of members prominent in these patches that can help you solve your issues. Please do not hesitate to post if you have questions.

This page is usually updated with recently summarized information, updates, and more solutions.

For those who have 2006/2007 Mac Pros, you may be best suited to using Mr. Zarniwoop's Thread here. The MCPF and OSXE projects are not affiliated with them. We will not contact them either. Confrontation has occurred both publicly and privately in MacRumors, the site, and other forms of communications and we don't want anything to do with them and their Mac Models. It simple don't ask Mac Pro questions to people who don't have Mac Pros :p. Your post will be requested to be moved to their thread.Mac Pro (1,1/2,1) Yosemite Guide: Hennesie2000's Guide here.

Prerequisites

Tested Macs listed below. Here are the minimum requirements:
- Running 10.7 Lion
- At least 2GB of RAM.
- A copy of 'Install OS X El Capitan.app'  in Applications Folder (Recommended from the Mac App Store)
- 15 GB of free space from USB or HDD Partition to serve as your Installation Drive.

-MacBook2,x
-MacBook3,x
-MacBook4,x
-MacBookPro2,x
-MacBookAir1,1
-MacMini1,x (C2D upgraded)
-MacMini2,x
-iMac4,x (C2D can be upgraded)
-iMac5,x (post #846 might help)

-Mac Pro 1,1
-Mac Pro 2,1 

We DON'T assist with Hackintosh. All private messages/emails involving installing OS X on non-Apple hardware will be redirected to another support team.

CAUTION:
ANY HARM OR DAMAGE CAUSED BY THIS GUIDE HAPPENED UNDER YOUR OWN RESPONSIBILITY! IF YOU HAVE ANY REGRETS ABOUT DOING THIS TO YOUR MAC, YOU PROBABLY SHOULDN'T DO IT. IF YOU ARE QUESTIONING WHETHER IT IS WORTH IT, YOU SHOULD DEFINITELY NOT TRY THIS.
PLEASE READ THIS GUIDE BEFORE ASKING QUESTIONS? WE HAVE TOO MANY EMAILS AND SKYPE MESSAGES TO ANSWER AND CAN'T FULLY GUIDE YOU THROUGH THIS 'ONE STEP' AT A TIME. IF YOU CAN'T FIGURE YOUR WAY AROUND OS X, YOU SHOULD NOT BE DOING THIS.

ALWAYS BACKUP YOUR MAC BEFORE PROCEDING WITH THESE PATCHES. WE ARE NOT LIABLE FOR ANYTHING THAT HAPPENS.

Guide to Installing OS X El Capitan on Unsupported Macs

Method 1 - macOS Extractor​

Be sure to have root privileges (administrator password) as OS X will prompt you for this on some stage.

A: Preparing The Installation Drive

1. Make a BACKUP of your system if you can.
2. macOS Extractor has generally everything you need to patch OS X (There are also numerous other sources that can help).
3. Get an OS X El Capitan Installer app (Recommended from the Mac App Store)
4. Make sure your Mac meets the Requirements above
5. A USB or Secondary Partition to put the patched Installer (A Installation Drive for reference)

B: Start Patching

1. Install macOS Extractor.
2. There should be a new drive appearing on your Desktop called ‘Mac OS X Install ESD’. Don’t worry about that. The AutoPatch Tool will unmount that when its done.
3. Go to Applications/OS X Hackers Patch Files and run the AutoPatch package.
4. During the AutoPatch installation. Select the USB or partition (Installation Drive) that you want as the installer. (No, this is not the Mac OS X Install ESD) WARNING: DO NOT SELECT YOUR CURRENT PARTITION (i.e Macintosh HD)

C: Installation

1. reboot your Mac holding option (alt) key. Select the Installation drive (BaseSystem) and press enter
2. If the installation drive boot you back to the main partition, try blessing the drive from your terminal app:

 sudo bless --folder /Volumes/OS\ X\ Base\ System --file /Volumes/OS\ X\ Base\ System/System/Library/CoreServices/boot.efi --setBoot

3. when booted click install/continue until you reach the disk selection menu, select you main drive (probably Macintosh HD) if you are sure about it, else select another empty drive (at least 15GB for testing/bigger if it should be a secondary system)

D: If Reboot Fails

(If the Mac does not reboot to the El Capitan desktop boot to the install-drive again and perform the following.

open the terminal at the top menu bar or boot into single user mode (Hold Command -S immediately afterturning on)
enter:

sudo rm /Volumes/[Main Drive Name]/System/Library/CoreServices/PlatformSupport.plist

E: Install these 64 bit Kexts from the Kexts folder from macOS Extractor

(These will better the graphics by a little but you will not have Graphics Acceleration. Still in beta so they may not work well)
1. Navigate in your Finder and go to the 'OS X Hackers Patch Files' folder in your Applications Folder
2. Open the 'Kexts' Folder
3. Choose your Graphics Card Kext Installer and launch it.
4. Select the Partition or Hard Drive that you are currently using the patched OS X. Install it. (Admin privileges required)
5. Restart your Mac

IF your Macbook can't wake up from sleep:

Because of lack of working Graphics Acceleration. Your Macbook may not be able to wake from a display sleep. The Kext Installer includes a NoSleep Extension and Brightness App.

Method 2 - MacPostFactor

IMPORTANT NOTES
Install MacPostFactor at your own risk. We are not liable if your computer explode, fail to wake you up for work, lose important files, pictures, porn or simply ceased to work. Always backup your existing installation before installing MacPostFactor or install in a second partition.
We are not aware of remaining bugs...Although it has been thoroughly tested by us and our group of private beta testers, you might still find bugs in it, and if you do find one, feel free to contact us on Twitter @MLforAll or @IsiahJohnson15 or simply email me at [email protected] (@MLforAll's mail) or go to the Support Page.

El Capitan Install is EXPERIMENTAL. Try this on a secondary partition.

Supplementary Informations for El Capitan 

El Capitan can be installed on all computer but ONLY Mac Pros WITH AN UPGRADED GRAPHICS CARD can use graphics acceleration as of now!

Requirements for MacPostFactor to work

◆ A Mac with Core 2 Duo or Xeon Processor.
◆ OS X 10.7 or later
◆ 2GB RAM at least
◆ At least 15GB of HDD space (8GB for USB)
◆ Install OS X El Capitan.app 10.11.0 or later in your Application Folder
◆ Read our instructions on MacRumors at least twice

Friendly reminder.

We're not responsible if you screw up your system. Technically, that won't happen as you can always go back to Lion, Mountain Lion or Mavericks

Instructions — Installing directly on this computer

1.    Make sure you have Install OS X El Capitan.app in your Application Folder
2.    Select "On this computer" on the main MCPF window. Then, choose the partition you want to install Yosemite on.
3.    Click install and prompt your password.
4.    Click reboot. Your computer should reboot with the OSXHackers logo.
5.    Once booted, Click Continue, Agree and choose the only partition showed.
6.    Click reboot when you see "Installation succeeded !".
7.    Enjoy!

Instructions — Installing via USB

1.    Make sure you have Install OS X El Capitan.app in your Application Folder
2.    Select "On an external drive" on the main MCPF window. Then, choose the disk you want to install the Yosemite installer on.
3.    Click install and prompt your password.
4.    Click exit. Boot the computer you want to install Yosemite on with 'alt' held and select your USB drive.
5.    Once booted, Click Continue, Agree and choose the partition you want to install on.
6.    Click reboot when you see "Installation succeeded !".
7.    Enjoy!

Bugs (from multiple Mac Models)

1 Maps does not view the maps
2 Launchpad is somewhat delayed and choppy
3 Video don’t play in iTunes, Safari, nor DVD Player (best use Quicktime and Google Chrome)4 Notification Center is sometimes a mess.
5 Only one Screen Resolution available
6 Some Apps will have artifacts if primary using Graphics Card.
7 iMessage/FaceTime note: Most users cannot initially login to iMessage or FaceTime using their Apple ID from their Macs after installing Yosemite as a security precaution. When trying to login, they receive an iMessage Registration validation code. The solution is to contact Apple support, provide the Mac's serial number, explain that Yosemite was installed using our guide and that iMessage isn't working and provide the validation code. Apple then unblocks the Mac, allowing iMessage and FaceTime login immediately and in the future OS updates. They really don't care.


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Method 3 - @skyfly555's method​

This Method is a manual Method created by a MacRumors forum member. We advise that you request help in our MR thread community where skyFly555 and others have experience with this method and protential issues.

Try this method on an external HDD. The method has been updated to v3 and successfully tested on MB 2,x, MB3,x and MBP 2,x. It can work on eventually all the other EFI32/EFI64 unsupported Macs if you have the kexts you need, although method 3 v3 is recommended for EFI32 Macs; and method 3 v2 in post #926 is recommended for EFI64 Macs.
Note: You can find the method 3 v1 in post #892 of this same thread, but it's obsolete


Prerequisites: A computer with El Capitan installed and SIP disabled (or a computer with Yosemite and "-no_compat_check kext-dev-mode=1" boot flags in /Library/Preferences/SystemConfiguration/com.apple.Boot.plist), and an external HDD.

1- First of all, you need an external 2,5” HDD or SSD. It has to be GUID HFS+ formatted. If you format it from El Capitan, it formats the hard disk in this way by default. I will suppose its name is "Capitann". This will create an HFS+ partition and an EFI partition automatically.

2- Using the computer with El Capitan/Yosemite installed, clone the partition where you have El Capitan to your external HDD, the one you have formatted on step 1. The source computer can be a real Mac or even a Hackintosh. You can use Carbon Copy Clone (CCC) or SuperDuper! I have used both of them and they worked well.
If you use El Capitan, you need SIP disabled. To do that, boot from your El Capitan Mac from Recovery Partition, go to utilities, open a terminal, and write csrutil disable and reboot. You need to do all the next steps from an El Capitan with SIP disabled. Yosemite doesn't need this, because it doesn't have SIP.

3- Boot.efi we need. There are two possibilities:
If you have an EFI64 unsupported Mac (like MB4,1, for example), you can use the EFI64 boot.efi El Capitan has got by default. You should follow, as mentioned, method 3 v2.

If you have an EFI32 Mac, you need this boot.efi, designed to always disable SIP, created by @skyfly555, taking as base the boot.efi created by @vsbalint70, who created his boot.efi modifying the code from Pike R Alpha original boot.efi.

Once downloaded, we need to change flags. From terminal (remember I'm supposing your Capitan partition is called "Capitann"):

cd /Volumes/Capitann/System/Library/CoreServices/
sudo chflags nouchg boot.efi
cd /Volumes/Capitann/usr/standalone/i386/
sudo chflags nouchg boot.efi

5- We need kexts. We are using tones of kext from TMRJIJ - OS X Hackers. To make things easy, you have them all zipped here (all the kexts come from OS X Hackers). Download it, unzip the file, you will get some folders and one kext, copy the kexts you need (EC-Base-kexts are mandatory, LegacyUSBInjector.kext is optional and is used only if you have some known USB issues, copy the graphical kexts you need from its folder) into /Volumes/Capitann/System/Library/Extensions/.

Note 1: If you have cloned from a Hackintosh, check your kexts into /Volumes/Capitann/System/Library/Extensions/ and /Volumes/Capitann/Library/Extensions/. Maybe you have things you don't need. Some of them can give you problems, for example, AppleACPIPS2Nub.kext, ApplePS2Controller.kext, FakeSMC.kext, NullCPUPowerManagement.kext or some HDAEnablerx.kext or whatever, that is "very Hackintosh". If you have these kexts in these folders, remove them now.
Note 2: If you have an ATI graphics card, to get the 128 MB of RAM recognised, you have to go into /Volumes/Capitann/System/Library/Extensions/ and delete this file: AMDSupport.kext


6- Before doing step 7, you need to be sure you have an important folder, which is not always cloned.

Open in Finder /Volumes/Capitann/System/Library/Caches/ Do you have com.apple.kext.caches/ folder?
If not, open /System/Library/Caches/ in another window of the finder, and drag and drop com.apple.kext.caches/ from /System/Library/Caches/ to /Volumes/Capitann/System/Library/Caches/.

After that, open a terminal and:

cd /Volumes/Capitann/System/Library/Caches/
sudo chown -R root:wheel *.*

Note: If you don't have com.apple.kext.caches/, in step 9 you can get a message like:
Can't create /Volumes/Capitann/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache.l9a9 - No such file or directory and El Capitan won't boot.


7- Now we will set boot flags and use them every time we boot. From terminal:

cd /Volumes/Capitann//Library/Preferences/SystemConfiguration/
sudo nano com.apple.Boot.plist

You will see:
<key>Kernel Flags</key>
<string></string>


You want to have:
<key>Kernel Flags</key>
<string>-no_compat_check kext-dev-mode=1 mbasd=1</string>

Or, if you want verbose mode, too, add -v flag:
<key>Kernel Flags</key>
<string>-no_compat_check kext-dev-mode=1 mbasd=1 -v</string>


Note: we need these flags, they are mandatory to have all the kexts loaded, excepting mbasd=1, that is only required by MBAirs.

To go out from nano editor, Ctrl+X and say "y".

8- Now we want to have our kexts permissions in good condition. From terminal:

cd /Volumes/Capitann/System/Library/Extensions/
sudo chown -R root:wheel *.*
sudo chmod -R 755 *.*

Note: These commands sometimes fail. Check them typing

ls -l

from the terminal and be sure you see root:wheel everywhere. If that's not the case, you need to go to Finder, select your external HDD, and tick/untick the option "Ignore ownership on this volume" (Right click on volume > Read info > Option below permissions) - if it's ticked, untick it; if it's unticked, ticked it. Although when you get your permissions changed to root:wheel, you need the "Ignore ownership on this volume" option unticked.

9- Now we are going to build the prelinked kernel and kernelcache:

sudo kextcache -prelinked-kernel /Volumes/Capitann/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache -K /Volumes/Capitann/System/Library/Kernels/kernel /Volumes/Capitann/System/Library/Extensions /Volumes/Capitann/Library/Extensions

The terminal should give you messages like these:
/Volumes/Capitann locked; waiting for the lock.
Lock acquired; proceeding.
kext-dev-mode allowing invalid signature -67054 0xFFFFFFFFFFFEFA12 for kext IOUSBHostFamily.kext
(...)
kext-dev-mode allowing invalid signature -67054 0xFFFFFFFFFFFEFA12 for kext AppleStorageDrivers.kext
kext-dev-mode allowing invalid signature -67050 0xFFFFFFFFFFFEFA16 for kext AppleIntelIntegratedFramebuffer.kext
kext-dev-mode allowing invalid signature -67061 0xFFFFFFFFFFFEFA0B for kext AppleIntelGMA950.kext
(...)
AppleDataSetManagement.kext - dependency for com.apple.iokit.IOAHCIBlockStorage lacks valid OSBundleCompatibleVersion.
AppleDataSetManagement.kext is missing dependencies (including anyway; dependencies may be available from elsewhere)
Created mkext archive /Volumes/Capitann/System/Library/Caches/com.apple.kext.caches/Startup/Extensions.mkext.

Note 1: AppleDataSetManagement.kext messages will be shown if you have an SSD and TRIM enabled.
Note 2: If you get messages saying permissions are not correct, or omitting... repeat steps 5, 6 and 8 until you get these messages saying "kext-dev-mode allowing invalid signature..". Be sure you are doing all the steps (especially the terminal commands) correct, and in the correct order. If you have an ATI, and have deleted AMDSupport.kext, you will get some "omitting from prelinked..." messages, it's ok.
Note 3: If you get a message saying "Can't create...", do step 6 again, it hasn't been done.

Note 4: if you are on a Hackintosh, you can get messages like:
SoftRAID.kext has incorrect permissions; omitting.
(...)
ACS6x.kext has incorrect permissions; omitting.

Some of these kexts are from Hackintosh and will not be needed. Other ones, like HandsOff.kext, can be from some app you have installed. Be sure you are not omitting something important, as the kexts the prior command has loaded (AppleHDA.kext or similar), and don't care for the rest.

10- Now we can change flags to boot.efi, and protect it again. From terminal:

cd /Volumes/Capitann/System/Library/CoreServices/
sudo chflags uchg boot.efi
cd /Volumes/Capitann/usr/standalone/i386/
sudo chflags uchg boot.efi

11- Now El Capitan can boot and it should boot with SIP disabled, but we have to be sure there's no firmware.scap into the EFI folder on our Capitann partition. If this is case, El Cap won't boot at all (and we will get Kernel Panic).
Go to terminal, type diskutil list, and check the name of your EFI partition. If it's internal, it's usually called disk0s1; if it's external, it can be called disk1s1 or disk2s1. If you see several EFI partitions, do this step with all of them. I'll do that with disk0s1 as an example. You can do the same several times just changing the name of the disk to diskXs1.
So, we will mount the EFI partition of our internal HDD (it's called disk0s1). We will name it "ESP".
From terminal:

mkdir /Volumes/ESP
sudo mount -t msdos /dev/disk0s1 /Volumes/ESP

Now go into /Volumes/ESP from Finder (maybe it will be called EFI on Finder sidebar). Go into the folder called EFI. Delete everything inside this EFI folder (/Volumes/ESP/efi/) and empty trash. If you see an Apple folder, you have the firmware.scap there, you must delete it!

USB Issue: The USB kexts we are using could give you trouble, depending on the machine you have. One USB could not be recognized, Check your USB ports using a USB memory stick after booting El Cap for the very first time to know if you are affected by this issue. If this is the case, try leaving the USB stick in the not recognized port, reboot again, and check if, after rebooting, the USB stick is recognized. If it's recognized, you will have to boot El Cap with some USB device connected on that USB port when booting to have it working with El Cap (not all the time, only while you are booting). You can try installing LegacyUSBInjector.kext, maybe it can help you.
Brightness adjustment: Shady app can help you. It's included in the OS X Hackers graphical kexts installers.

12- Boot your Mac, pressing the "alt" key" and select Capitann partition. If you have followed all the steps, it will boot.

13- The final check.
Once booted from El Cap on your unsupported Mac, open a terminal and type:

csrutil status

You should get this message: System Integrity Protection status: disabled.
And the last check, from the terminal, let's rebuild caches:

sudo kextcache -i /

You should see the same output you got when you did step 9.
Great. You got it. Welcome to EC.

Important notes about updating-upgrading and cloning:
1- If you do a major upgrade, for example, from El Cap 10.11.5 to 10.11.6 or similar, you will get all the kexts we added to /System/Library/Extensions in step 5 deleted, boot.efi deleted, the firmware.scap file will reappear everywhere... So, I recommend you having a bootable backup on an external HDD before upgrading anything, and be sure it boots correctly; so, after the upgrade, you can boot from there and repeat the process, from steps 3 to 12.
Your three goals: reinstalling the correct boot.efi, reinstalling kexts with the correct kext cache and prelinked kernel rebuilding, and deleting firmware.scap from your system again.
So, and basically, you will repeat m3v2, but not with another machine, but with yours.
2- When you clone El Cap partition to your internal HDD, El Cap may not boot. If this is your case, do steps 6 and 9 booting from your external drive. Then, your internal El Cap will boot.


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CAUTION:


ANY HARM OR DAMAGE CAUSED BY THIS GUIDE HAPPENED UNDER YOUR OWN RESPONSIBILITY! IF YOU HAVE ANY REGRETS ABOUT DOING THIS TO YOUR MAC, YOU PROBABLY SHOULDN'T DO IT. IF YOU ARE QUESTIONING WHETHER IT IS WORTH IT, YOU SHOULD DEFINITELY NOT TRY THIS.
PLEASE READ THIS GUIDE BEFORE ASKING QUESTIONS. WE HAVE TOO MANY EMAILS AND SKYPE MESSAGES TO ANSWER AND CAN'T FULLY GUIDE YOU THROUGH THIS 'ONE STEP' AT A TIME. IF YOU CAN'T FIGURE YOUR WAY AROUND MACOS/OS X, YOU SHOULD NOT BE DOING THIS.

ALWAYS BACKUP YOUR MAC BEFORE PROCEDING WITH THESE PATCHES. WE ARE NOT LIABLE FOR ANYTHING THAT HAPPENS.

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MacPostFactor was made by Wayne Wong and Kelian Dumarais
macOS Extractor was developed by Isiah Johnson

Website designed by Isiah Johnson and Robby Sharpero.

Developers / Contributors:
Liem Mai, Birtha Åbel, Wayne WongKelian Dumarais, Nolen Johnson, Mr. Zarniwoop, Atvusr, TiamoPike R. Alphaoem, Jesse Samluk, Mike Hennessiedosdude1parrotgeek1slyfly555

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OS X Hackers are is not affiliated with Apple Inc. Mac OS Ten (X), Mac, iOS, iPhone, iPad, and all other Apple product names are trademarks or registered trademarks of Apple Inc. All other company and product names are trademarks or registered trademarks of their respective companies.