How to Fix Big Sur 12 Minutes remaining Boot Loop

By Freirburro
0

How to Fix Big Sur 12 Minutes remaining Boot Loop

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

  1. Verify your network controller model (Intel, Broadcom, Realtek).
  2. Ensure the correct kext (e.g., AirportItlwm or BrcmPatchRAM) is loaded in your config.
  3. 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:

* Hardware:

CPU: I3 8300

GPU: MSI Geforce 710

RAM: Teamgroup DDR4 8gb 2400

Motherboard/Laptop model: MSI h310 m pro-vlh plus

Screen(s) Number: 1

Screen(s) Resolution: 4k tv for now

Audio Codec:

Ethernet Card: RTL8111 H Lan

Wifi/BT Card: (if available): NA

* What guide/tool I followed:

OpenCore Coffee Lake with some small tweaks for my LAN card had to use the older version

* What part I got an issue with: After about 20 minutes the system reboots and asks me "Reboot and Select proper boot device". If i reboot it starts the entire cycle over again.

* What files/config I am using: OpenCore 64bit 0.6.5 Coffee Lake

pics https://imgur.com/a/QdHyKjO

https://pastebin.com/Xi80VYZX

Debug Dump

https://drive.google.com/drive/folders/1VDNuGDXZkq2QTUbsv9iLS2Y-AoDNFFnC?usp=sharing

* Extra Info:

I think that's all the info. Just looking for a nudge forward. Thanks

submitted by /u/Still_Roger
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