How to Fix Stuck on installation script errors [MSI MAG Z690 TOMAHAWK WIFI, i7-12700F]
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Verify your network controller model (Intel, Broadcom, Realtek).
- Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
- Clear network interfaces and reset NVRAM if changes don't apply.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
I'm trying to install Big Sur (11.6.8), and getting desperate about making it work...
I followed this guide:

MSI PRO Z690 A DDR4 + i7-12700K + AMD RX 580
www.tonymacx86.comI'm stuck during the USB installer on with error "lowest level disk is not mounted" and "generation from SMC report as 2"
I have:
- MSI MAG Z690 Tomahawk Wifi
- i7-12700F
- Samsung 2TB 980 Pro NVMe
- MSI GT 710
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