How to Fix Receiving a grey screen with mouse cursor when installing Big Sur with Opencore 0.6.4.
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:
I’m currently attempting to use opencore version 0.6.4 to attempt to install Big Sur. Once I get past the Apple Logo posting I am receiving a grey screen with my mouse cursor. I’ve waited several minutes without any change occurring to the screen.
Current specs are
CPU : Intel Core i9-9900K 3.6 GHz 8-Core Processor CPU Cooler : Noctua NH-D15 CHROMAX.BLACK 82.52 CFM CPU Cooler Motherboard : Gigabyte Z390 DESIGNARE ATX LGA1151 Motherboard Memory : G.Skill Ripjaws V Series 64 GB (4 x 16 GB) DDR4-3200 CL16 Memory Storage : Toshiba X300 5 TB 3.5" 7200RPM Internal Hard Drive Storage : Samsung 860 Evo 500 GB 2.5" Solid State Drive Storage : Crucial MX500 1 TB M.2-2280 Solid State Drive Storage : Crucial MX500 1 TB M.2-2280 Solid State Drive Video Card : XFX Radeon RX 580 8 GB GTS Video Card Power Supply : EVGA G1+ 1000 W 80+ Gold Certified Fully Modular ATX Power Supply Monitor : LG 38WK95C-W 37.5" 3840x1600 60 Hz Monitor
———- I’ve tried looking through an solutions online and it doesn’t appear that I’m able to find a resolution or feedback that would be applicable. I currently also only have one hard drive plugged in during the installation process as well. Picture of error attached as well.
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