#Download cocktail for mac 10.3 install
You can install High Sierra via the macOS Installer, by creating a bootable installer, from within macOS Recovery, and via a NetInstall image created by System Image Utility (available with macOS Server). You cannot install High Sierra on a Mac that’s connected via Target Disk Mode.įirmware updates can’t be done on external devices connected via Thunderbolt, USB, or Firewire.This isn’t new, but is more important because of APFS. Only the macOS Installer can download and install firmware updates.This requirement has various implications:
#Download cocktail for mac 10.3 update
The company claims you must be connected to the Internet when upgrading macOS, and the macOS Installer uses the model number of your Mac to identify and download a firmware update specific to that Mac to enable it to recognize APFS.
There’s no penalty for caution, and be absolutely certain that Macs are backed up before upgrading them once Apple’s initial bug fixes are out.įirmware Updates via the Cloud - With High Sierra, Apple is re-emphasizing how Macs get firmware updates over the Internet. Although we’re not hearing of major software compatibility issues, the move to APFS is a very big deal, and it’s entirely possible that some problematic scenarios won’t have been anticipated by Apple or revealed by the public beta test. Important High Sierra Changes for IT Adminsįor most individual users, upgrading to macOS 10.13 High Sierra won’t require much more than going through the steps in Joe Kissell’s “ Take Control of Upgrading to High Sierra.” But for those of you who manage Macs for an organization (or are just interested in how things work behind the scenes), there are some important changes that you should know.įirst, I want to reiterate that our recommendation for High Sierra is that most everyday Mac users don’t upgrade immediately, but instead wait for 10.13.1 or even 10.13.2. #1614: 2022 OS system requirements, WWDC 2022 head-scratcher features, travel tech notes from Canada.#1615: Why Stage Manager needs an M1 iPad, Limit IP Address Tracking problems, Citibank cryptocurrency confusion.#1616: Explaining passkeys, Apple challenges for senior citizens, macOS 11.6.7 Big Sur fixes email attachment bug.#1617: Pages regains mail merge, HomeKit sensor improvements, keyboard flags in Monterey.Preview selections, portable power for a MacBook Pro #1618: M2 MacBook Air available to order, Lockdown Mode, Live Text vs.
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