Question Issues booting Hiren's Boot CD to Laptop

Spec_tech

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Aug 29, 2013
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Hi everyone. I'm not sure exactly what forum section to put this in, but it basically involves trying to boot some bootable ISO's to a laptop and it not working properly.

So i have a Dell Precision M3800 that i'm trying to get to boot Hiren's Boot CD with a multiboot installer such as YUMI or Ventoy.
I already confirmed the Hiren's ISO is ok by booting it to a Virtualbox VM and it boots fine.
The laptop has an MBR partitioning setup, and i've already turned off secure boot, TPM, and set booting to Legacy instead of UEFI.

Now I know that YUMI basically uses Ventoy now, so it's the same thing. But i've tried using both YUMI and Ventoy to try to boot to Hiren's, but it won't boot past the boot mode selection.
I can boot to the USB's, and i can go through the selection menu to pick the Hiren's ISO, but when it gets to the boot mode selection and pick "Boot to normal mode" it just flashes black real quick and then freezes on the boot selection screen.

I'm trying to figure out if this is because Ventoy/YUMI format the flash drives with exFAT and UEFI and that's conflicting with the laptops MBR partitioning or something.
Can anyone confirm if this is the problem or if it's something else, and how to resolve it?