And with our system, it's even required to boot. This is where you'll add SSDTs for your system, these are very important to booting macOS and have many uses like USB maps (opens new window), disabling unsupported GPUs and such. See previous section on how to obtain: ist Setup.Now with all that, a quick reminder of the tools we need DO NOT USE CONFIGURATORS, these rarely respect OpenCore's configuration and even some like Mackie's will add Clover properties and corrupt plists!.The ist cannot be used As-Is, you must configure it to your system.If the guide doesn't mention the option, leave it at default. All properties must be defined, there are no default OpenCore will fall back on so do not delete sections unless told explicitly so.This also means if you have issues, review your config settings to make sure they're correct. It just takes some time but this guide will tell you how to configure everything, you won't be left in the cold. Initial macOS Support ( Whiskey Lake (opens new window))

Initial macOS Support ( Coffee Lake (opens new window))

# Laptop Coffee Lake and Whiskey Lake Support

Getting started with ACPI (opens new window).

If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device. Secure erase options are available only for some types of storage devices. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map. In the sidebar, select the storage device you want to erase, then click the Erase button. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant.

How to format usb drive mac 10.14