I’m trying to install High Sierra, but I’m getting stuck at the install point with a circle-with-a-slash / “prohibited” symbol.ĭownloaded High Sierra installer from apple (I’ve made sure it’s the full version I know there is a smaller version that has to download the rest.) I want to add it as a separate bootable partition because there are a few 32-bit programs I need to use from time to time, and Catalina obviously won’t work for that. You are much safer using a VM or installing other operating systems to an external drive.Ĭan’t install older macOS to partition on my new MacBook Pro 16” I am trying to install an older version of macOS to my new 2019 MacBook Pro 16”, but I am running into problems doing so.
So many people end up destroying both macOS and the other operating systems when resizing partitions and installing/uninstalling the other operating systems. Even Ubuntu 19.10 by default only includes the v5.3 kernel although it is possible to upgrade to the v5.5 kernel after Ubuntu is installed (or it will soon be possible to get v5.5).Īt this time if you want to use Linux on this laptop you will need to use a VM.įYI, before you try to install any other OS on the same drive as macOS make sure to have good verified working backups of macOS. IIRC the v5.5 kernel will support the Keyboard & Trackpads on MBPro 2016-2017 (and probably 2018+).
I've heard someone is working on T2 chip support, but I don't believe it will be anytime soon.īesides the T2 chip issue the default Linux kernel in most distributions do not have the necessary drivers to be able to use the Keyboard or Trackpad since those items are no longer considered USB devices. You cannot currently install Linux onto bare metal on any 2018+ Mac which uses a T2 chip since the Linux kernel doesn't yet contain the necessary drivers to communicate with the T2 chip and hence the SSD.
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