![]() ![]() It boots fine with a Windows install using the latest Windows ISO with a USB UEFI disk made in Rufus. My present system is BIOS MBR, but the motherboard can be made to boot UEFI. ![]() UEFI environments without having to reconfigure your motherboard. And some motherboards can be configured to support both simultaneously so that you can switching between booting BIOS vs. Some motherboards that support both BIOS and UEFI booting can be configured to only support one mode or another at any given time. If that isn't everything you need, then please provide more detail about how you made your "rescue disk in UEFI" and what exactly you're trying to do to boot it in UEFI mode on the system where you're having trouble. If you plan to start with a clean install of Windows 10 on a new SSD, then I would recommend that you only restore your Windows partition, and not any others, from your "outgoing" MBR disk over the newly created Windows partition on your new GPT disk, leaving the other partitions intact. So if you need to run that, you'll want to make sure you boot your Rescue Media in the same mode as the OS you're trying to fix is meant to be booted. The only thing it DOES change is the Fix Boot Problems wizard. But that doesn't affect Reflect's ability to work with MBR vs. Otherwise, it was booted in Legacy BIOS mode. If it says "" at the end, it's UEFI mode. If you want to confirm which way your Rescue Media was booted, check the title bar along the top edge. (It is possible to create Rescue Media on a device initialized as GPT, in which case it would ONLY support UEFI booting, but that would be a manual process, since Rescue Media Builder currently won't do that for you.) If your motherboard supports BIOS and UEFI booting and you have multi-boot Rescue Media, then you'll typically see two boot options for the same flash drive, one indicating UEFI and the other not. But if you enable the mutli-boot option in the wizard, it will configure that MBR flash drive to support being booted in both Legacy BIOS and UEFI modes - as long as you select WinPE/RE 4.0 or newer as your Base WIM, since WinPE/RE 3.1 does not natively support UEFI booting. ![]() Reflect's Rescue Media Builder currently only builds to USB devices initialized as MBR, not GPT. I'm not sure what you mean by a "Macrium Rescue UEFI MBR". ![]()
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