When users wish to list and manually choose from all available boot volumes, holding the options key down will display locally bootable volumes. Some users have noticed that this boot menu has started ...
Starting your Surface from a USB drive can be useful if you want to change firmware settings or Windows startup settings or if your Surface device does not turn on, start, boot, or wake from sleep.
If there are multiple drives installed in the computer, then it can create confusion as to which drive has a Bootloader. This scenario usually happens when Master Boot Record is on the wrong drive.
All right, it's time to have a laugh at my expense... and then hopefully point me to a solution. I'm typically fairly cautious with my data and my overly-cautious nature was my undoing. A few years ...