How to Fix My Catalina suddenly lost boot
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
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Today after waked up it freeze and restart. My mobo report bios corrupt and restore. And my using Catalina disk disappeared from boot list. I boot from other disk with high Sierra, Catalina boot weren't in Clover screen. After boot in HS I still can access Catalina disk.
Should I install Clover Bootloader? And it have 2 disks MacOS and MacOS-Data what disk can install?
Thank you.
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