My msi tomahawk b450 failed few days ago and I purchased asrock b450m pro4 as replacement, currently macOS Monterey is not booting, it stucks at initial stage. Changed bios settings as per dortana guide.except for EHCI/XHCI Hand-off OS type: Windows 8.1/10 UEFI Mode Parallel port disable I can't find these in bios settings. How can I fix without a reinstall, pls help i have some unsaved works on that drive. ryzen 2600X, rx570 4gb, 8x2 gb corsir 3000mhz, asrock b450m pro4

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Not booting after MOBO change

Thread starter sarun1001
Start date Nov 8, 2022

sarun1001

New member

AMD OS X Member

Nov 8, 2022

My msi tomahawk b450 failed few days ago and I purchased asrock b450m pro4 as replacement, currently macOS Monterey is not booting, it stucks at initial stage. Changed bios settings as per dortana guide.except for

EHCI/XHCI Hand-off
OS type: Windows 8.1/10 UEFI Mode
Parallel port disable

I can't find these in bios settings. How can I fix without a reinstall, pls help i have some unsaved works on that drive.
ryzen 2600X, rx570 4gb, 8x2 gb corsir 3000mhz, asrock b450m pro4

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Not booting after MOBO change

sarun1001

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