diff --git a/README.md b/README.md index 5045450..bc7450b 100644 --- a/README.md +++ b/README.md @@ -31,6 +31,7 @@ the two projects are meant to be used: - [Setup](#setup) - [Usage](#usage) - [Boot Disk](#boot-disk) + - [Startup Security Utility](#startup-security-utility) - [Customization](#customization) - [Troubleshooting](#troubleshooting) - [Versioning](#versioning) @@ -154,6 +155,32 @@ documentation (provided here for reference): 4. Wait for the macOS installer to load from the recovery partition. 5. Use the dialog options to launch Disk Utility, reinstall the system, etc. +Depending on your security settings, you might need to use the Startup Security Utility before using +the Boot Disk (see below). + +### [Startup Security Utility](https://support.apple.com/en-us/HT208198) + +With newer hardware, you should be running with the Apple T2 Security Chip (found via  → About This +Mac → Overview → System Report → Controller). In order to boot your machine using the Boot Disk, +you'll need to *temporarily* disable the default security settings as follows: + +- Turn on or restart your Mac, then press and hold `COMMAND + R` immediately after seeing the Apple + logo. +- Select Utilities → Startup Security Utility from the main menu. +- Click "Turn Off Firmware Password". +- Select "Secure Boot: No Security". +- Select "External Boot: Allow booting from external media". +- Quit the utility and restart the machine. + +You'll now be able to boot your system with the Boot Disk (see above). + +After the new operating system has been installed via the Boot Disk, *ensure you return to the +Startup Security Utility and re-enable the following settings*: + +- Click "Turn On Firmware Password". +- Select "Secure Boot: Full Security". +- Select "External Boot: Disallow booting from external or removable media". + ### Customization All executable scripts can be found in the `bin` folder: