New Build, Bios freezes or blue screens when attempting to boot to windows on a usb

First Comment
edited July 2023 in General Discussion
I just finished building this rig. It’s got an Asus Prime B660m-a d4 motherboard. I’ve confirmed that Windows installed on the usb boots to the setup
menu on one of my other machines. For the problem one, I put the usb into a back USB port and set the boot priority to the usb. What happened is the bios freezes with the Asus logo or I get a blank blue screen or I get a screen with peach,purple and red horizontal lines stuck. The peach screen I get if I disable CSM( compatibility support module) . If I enable it and set the options to either legacy or uefi I get the blue screen or frozen asus logo. At this point I’m not sure if it’s still a bios issue or an issue with the actual mobo. Please help 


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