As usual, Apple provides very clear directions, if you just look for them.I also have a YouTube video going over the whole process.- 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,- Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBookAir 2,1, MacBook 5,1)- Early-2009 or newer Mac Mini or white MacBook (Macmini 3,1, MacBook 5,2)- Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1)Pros, and Mac Minis (MacPro 1,1 and 2,1, iMac 4,1, 5,1, 5,2, 6,1 and7,1, MacBook Pro 1,1, 2,1, and 3,1, Macmini 1,1 and 2,1)- The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300.- 2006-2008 MacBooks (MacBook 1,1, 2,1 3,1 and 4,1)- Note: Make sure SIP is disabled on the system you intend to installHigh Sierra on. No need for Google at all. MacInWin said: Or, you could always try Apple.com, click on Support and the resulting search page, enter 'High Sierra' and follow the results to the file to download HS. So as I understand, Apple will stop releasing updates for macOS High Sierra in September this year, is this correct I have a Macbook Pro 13' mid 2010 and High Sierra is the newest macOS version I can install on it.Take a look at the FAQ located at the bottom of this page as well.Jul 13, 2020.While it works and is fully usable,High Sierra detects it as just a standard mouse, preventing you fromChanging some trackpad-oriented settings.1. The trackpad in the MacBook5,2Isn't fully supported in High Sierra. In the Menu Bar, simply select "Tools > Download macOS High Sierra."- A USB drive that's at least 8 GB in size- A copy of the tool - Download here (Current version: 2.7.0, SHA1: 73f180d30200ef5f6d900440fe57b9c7d22bd6bf)- View changelog and download older versions here- Trackpad (MacBook5,2 affected only). This can be obtained from the Mac App Store using a machineSupports High Sierra, or by using the built-in downloading feature of the tool.In the application, select the Mac model you are using. When the install completes, reboot back onto the installer drive.This time, open the "macOS Post Install" application.9. Install macOS normally onto the desired volume.8. A demo of the modified booting process can be viewed here.7. It is not quite as clean as native booting, but will not cause any issues while running High Sierra.When it reboots, it should now boot into a fully working copy of- If selected in the macOS Post Install tool, your High Sierra install will have a program named "Patch Updater" located in your /Applications/Utilities folder. This isn't necessary under most11. It may sitThere for a few moments rebuilding caches before rebooting.Reason the system fails to work correctly after rebooting, boot backInto your installer drive, run the post install patch again, and select"Force Cache Rebuild" before rebooting. Select the volume you have just installed macOS High Sierra on, andClick "Patch." When it finishes patching, click "Reboot". You canAlso select other patches of your choosing.- The "i" button next to each patch will show more details about the respective patch.10.
Try re-formatting it, or just try a different USB drive.Q: The patch tool gives me a "Mounting Failed" errorA: Check to make sure your Install macOS High Sierra App is the correct one.It should be around 5GB in size. Version 1.1 ofThe patch tool and older support older versions of the installer app.Q: The patch tool gives me errors, such as "Error copying files.".A: Check to make sure your USB drive is writeable. If you're using theLatest version of the tool, you must be using the latest version of theInstall macOS High Sierra App. Ensure you select "Force Cache Rebuild" before rebooting.Q: The tool created the USB drive successfully, but when booting, the progress bar hangs a bit more than half way.A: Check your copy of the Install macOS High Sierra App. If for some reason updates aren't showing up, or you did not apply the patch, you can install it manually using the script found here.- If the machine does not start up properly after applying a system update, you will need to boot off your patched installer volume, and re-run the post-install patch on your High Sierra volume. If you do not have Patch Updater installed, but would like it, you can download and run the script found here to do so.System updates, such as 10.13.1, should install normally if "Software Update Patch" was selected in the macOS Post Install tool, or installed using the Patch Updater program. High Sierra For Incompatiable Book Software Update PatchInstructions to set the date using Terminal can be found here. To fix it, you can either boot into your current OS X install and set the date, or you can use Terminal after booting from your patched USB installer drive to set the date. To revert to stock, simply run "sudo softwareupdate -clear-catalog" in Terminal, and then run the software update patch script located above.Q: Safari, App Store, and/or Mail stopped working after installing a system updateA: Download and run the Onyx application, select "Maintenence" at the top, then click the Run button.Q: I get a "No packages were eligible for install" error when attepting to install High SierraA: This is due to your system's date and time being set incorrectly. Ensure your machine is in the supported list.Q: My iSight camera doesn't work after installing High SierraA: Make sure you properly remove (using the program's uninstaller, not by simply dragging the application to the Trash) all virtual machine software installed on your machine, such as VirtualBox, VMWare, etc.Q: I get "NSURL" errors when trying to update my machine or use the App StoreA: This is usually the result of having an invalid CatalogURL set. You must open this file (mount it) to access the InstallMacOS High Sierra App you need to select.Q: I don't see my hard drive partition in the installer screen or in the post-install tool.A: Make sure FileVault is disabled, or use the instructions found here to unlock it manually using Terminal.Q: I get a "NO" symbol when starting up after successfully installing High Sierra.A: Make sure you have run the post-install patch on the correct volume, as detailed above in steps 8-10.Q: I get a "NO" symbol when starting up from the patched USB driveA: Check the supported/not supported list at the top of this page.
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