![]() For older macOS versions (like Mojave and Catalina), patchers provided by dosdude1 might be a better choice. It's an all-in-one tool allowing you to download, install, patch, and hopefully boot macOS on your target machine. The patcher we've used in this guide is the OpenCore Legacy Patcher. Assuming you see the macOS update, the process to download it works as follows: Click on Upgrade Now to download the installer for the new version of macOS. You may take a hit in terms of performance, you may need to leave System Integrity Protection in a lowered state (or disable it altogether), and the process may take much longer than expected. Launch Terminal (navigate to Applications Utilities and open the Terminal app) 3. Connect the HighSierra USB drive to your Mac. To create a bootable macOS High Sierra USB installer: 1. You'll need to download an installer, create a bootable USB drive, patch the drive to enable support for your Mac, and see the installation process through. Once you have the external drive or USB and the High Sierra installer ready, use the Terminal app to create a boot disk. Installing an unsupported version of macOS on your Mac takes a decent amount of work the process is more involved than the usual macOS installation upgrade process. Here's how to do it and some things to keep in mind if you go this route. So, this is actually my 79yo father's laptop, and now he's going to be forced to replace a perfectly working device - shameless.Has Apple ended support for your Mac? You can install new versions of macOS anyway by creating your own patched installed. It began, and then quit, citing it couldn't download required files. Matter of fact, in internet recovery, using CMD-OPT-R, it gives me only the option of Installing Lion, which I chose, just to see, and it wouldn't install that either. macOS is lightyears beyond Windows, and Apple's hardware is amazing, but the fact I can't get High Sierra installed onto an eligible machine is no coincidence in my opinion. As a computer repair shop owner, I'm really frustrated with this type of stuff. If I'm installing from a USB drive, the machine shouldn't even need to contact recovery servers. I'm using a High Sierra USB installer, and once I click on Install(the arrow), it hangs a moment then says it cannot contact the recovery server. I've tried internet recovery, and two different High Sierra install USB drives. This macbook: Mid 2010 MC516xx/A EMC 2395 7,1 A1342 It had a HDD with Yosemite, and I'm upgrading it to SSD and High Sierra - at least that's what I'm trying to do. I have tried changing the date, updating/syncing the date with Apple. There is NOTHING WRONG with this MacBook. ![]() How to download and install macOS Create a bootable installer for macOSĬlick to expand.Well, I give up. If your device’s OS version is higher than macOS Sierra, you need to install macOS Sierra through a USB drive. You can download the DMG for Sierra and install it first and download High Sierra and create a flash drive for it. If your device’s OS version is lower than macOS Sierra, you can open the Install macOS Sierra app from your Applications folder to begin installing the operating system. Connect the USB flash drive to the same Mac. ![]() Grab a USB flash drive of at least 8GB in size. After its downloaded, the installer will launch automatically. Restart your Mac once again while holding down Command + Option + R to enter Internet Recovery mode. You may need to create a new High Sierra bootable installer. On another Mac, download the macOS Sierra installer via the Mac App Store. To do this: Restart your Mac and hold down Command + R to boot your Mac into recovery mode. You can download and create a flash drive installer for High Sierra by either using a Sierra or Mojave Mac. Make sure that you connect first to internet either by wi-fi or ethernet cable then use the High Sierra flash drive. All of these I tried on MacBook Pro 2015.Īnother thing, checking for security updates for High Sierra through the App Store no longer works but I was still able to download security updates for Yosemite, El Capitan, and Sierra, which is odd since they are all older than High Sierra.Īll of what I mentioned above, I have performed in 2023 and it is really weird. To do this you must use High Sierras Disk Utility. Siri makes its debut on Mac, with new features designed just for the desktop. IF you want to use the APFS file system then you will instead need to format your SSD APFS before installing HS. Download macOS Sierra for macOS 10.7.5 or later and enjoy it on your Mac. It still works when trying to download and install Yosemite, El Capitan, Sierra, Mojave, Catalina, Big Sur, and Monterey. Download the High Sierra full installer from the App Store to your iMac. When prompted, select the 'Mac OS Extended (Journaled)' format. Use the Disk Utility application to erase the HDD. Release the keys when the Apple logo or a spinning globe appears. Installing High Sierra using internet recovery no longer works. Startup your Mac and immediately hold down the option + + R key combination.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |