How to Fix Success! Installed Big Sur 11.2 after brief experiment with Catalina
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:
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Some background: A few weeks ago i tried installing Catalina with vanilla guide. It took me several hours to get it to boot only for it to end in a kernel panic. Turns out i messed up because i used a prebuilt SSDT so i used SSDTTime to dump one and it worked. After a few hours i got bored of it because of the UI and audio not working so i decided to try Big Sur. I used my existing catalina efi files but updated kernel patches and smbios to install big sur. Everything seems to work so far but gaming is a hit or miss with some games not performing as they should and the fonts are a little too blurry for my taste but it's not a big problem.
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