All advanced boot settings are disabled.
All advanced boot settings are disabled.
Do you possess a standard restart option? If yes, press and hold Shift while activating the restart button to initiate an advanced restart.
I understand you're aware of method B, but it seems only 'shutdown' is visible now.
Ok, plan B There is a very small gap between the motherboard done POSTing and W10 starting to boot. You have to tab F8 like a maniac trying to get the key input in that gap. Might take a few tries btw, but maybe that's an option?