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#11
Last edited by cereberus; 11 Jan 2022 at 22:39.
Thanks for all of the suggestions and information. Here's what I found out. I took a brand new factory sealed Samsung 32GB drive formatted in MBR mode and mounted it. This time, Macrium gave me an option of selecting "Enabling multi-boot - (MBR/UEFI) - Recommended for your system". I went ahead and built the WinPe system on it, plugged it in and it booted right up and ran. It was as simple as that.
I didn't try it with the ISO in FAT32 partition on a GPT drive since I figured that I already had a solution.
Previously, when I had just tried inserting GPT drives Macrium just gave me a terse message saying "GPT Format Not Supported" with no more information than just that. What Macrium probably should do is add another short message after that blunt first message about GPT drives saying something to the effect that "using an MBR drive will give you a multi-boot MBR/UEFI" option" which it only provides now when you insert a MBR drive. That would help clear up any confusion for people like me who probably tend to over think things!
I just figure anytime I need to use a rescue disk is probably going to be a tense time and I want things as simple as possible at that moment.
Running Win 10 Ver 20H2, Dell Inspiron 3891 I5-10400, 4.3 Ghz, RAM 16GB, Samsung M.2 SSD 970 EVO Plus