New Build No OS B650 Steel Legend TPM issue

I built a new pc using a B650 Steel Legend motherboard, AMD Ryzen 7 7700X cpu, (2 x 16 GB) DDR5 - CL30, 6000 ram. The built went good and the computer posted fine. The issue came when installing Windows 11 OS. We have tried BIOS versions, 3.15, 3.08 and 3.06.

We have diagnosed the issue has to do with the TPM. The BIOS shows that TMP 2.0 is detected but the Windows (10/11) install fail immediately. IT throws a "ACPI_BIOS_error".

We have tried multiple setting in bios with no luck.

We have been successful booting to a USB drive and testing the memory sticks using MEMTEST86+. Everything passed just fine. We have also booted using the latest version of Ubuntu desktop. The system booted up perfectly.

I see the motherboard has a location for a hardware TPM module. It is my understanding that I do not need to spend extra to get this capability.

I greatly appreciate assistance working through this issue.
Best Regards

Thanks for your help.

We have followed your instructions, but I don't see the "remove the AI features" that you mention.

We are using rufus 4.6 and have tried Windows 11 version 24, as well as version 23 and version 21.

Every time we try booting to windows we get the same error about "ACPI_BIOS_Error".

In BIOS it shows that it recognizes "TPM 2.0" however windows does not seem to agree / like it.

My reply must not have gone through.

I am on 3.16 as shown on the ASRock Support website.

The ACPI BIOS issue is more of a generic low-level system fault and likely isn't related to TPM functionality (if your TPM is disabled/not working then Windows will simply tell you that can't install due to missing requirements). Typically that error either means there's a problem with your motherboard's firmware (BIOS) or there's something odd going on with your RAM. I'd recommend disconnecting everything non-essential from your motherboard and then doing a CMOS reset to completely reinitialize everything in the MB firmware. If that fails it might be time to look more closely at your RAM.

Here's a troubleshooting overview from HP the ACPI BIOS error, most of the info should apply to pretty much any manufacturer though.