Stuck at Boot - 2 errors

[pterodactylstfw]

Hello. I am trying to boot macOS 26 on my PC using my personal EFI and at 2 different boots, it gives at random times 2 different errors, and i don't know how to solve them. i believe it's because of the GPU.

Specs:
CPU: AMD Ryzen 3600X
GPU: AMD Radeon 5600XT
MB: MSI B450M PRO-VDH MAX

 

[CaseySJ]

Please have a look at this post if you haven’t already done so:

C

Thread 'Install Tahoe beta 3 PC ASUS X570 Pro CSM - Ryzen 3600 - Gigabyte RX 5700XT'

Jul 9, 2025

Install Tahoe beta 3 PC ASUS X570 Pro CSM - Ryzen 3600 - Gigabyte RX 5700XT

AMD BIOS Settings

• Note: Most of these options may not be present in your firmware, we recommend matching up as closely as possible but don't be too concerned if many of these options are not available in your BIOS

Disable

• Fast Boot
• Secure Boot
• Serial/COM Port
• Parallel Port
• Compatibility Support Module (CSM) (Must be off in most cases, GPU errors/stalls like gIO are common when this option is enabled)
• IOMMU

Enable

• Above 4G Decoding (This must be on, if you can't find...

• ccphuc
• Replies: 8
• Forum: 26.0 Tahoe

• 

 

[CaseySJ]

@pterodactylstfw

I've made some changes to your config.plist as shown below. Please copy serial numbers into PlatformInfo -> DataHub and then try booting with this config.plist.