How to Fix Screen blinks at the “Language” step
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:
Hello everyone, I encounter a problem while trying to install macOS Big Sur on my Lenovo laptop (specs below). When the “Language” window comes up, it stays on my screen for like half a second, I have a black screen for 10 seconds or so, and it shows the “Language” screen again for half a second and this repeats indefinitely. I tried to plug my laptop to an external monitor but nothing shows up. Do you have any idea concerning the reasons of this behavior? Thanks.
Specs: - Laptop: Lenovo IdeaPad 330-15ICH (81FK) - CPU: Intel Core i5-8300H - RAM: 8 GB DDR4 - SSD: NVMe 128 GB - HDD: SATA 2.5” 1 TB - iGPU: Intel UHD 630 - GPU: Nvidia GeForce GTX 1050 Mobile (disabled in BIOS)
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