On Monday, 11 July 2022 17:19:50 BST Michael wrote: > Check your BIOS* firmware settings for USB and enable xHCI. Perhaps this > setting was toggled to auto, which may not work reliably.
That was a good idea, Michael. Indeed, some Auto settings had crept in. I haven't yet tried booting other media though: that's for later today. --->8 > An EFI MoBo which boots an OS installed in UEFI mode, on a GPT formatted > disk, does not require a CSM or a bios_grub flagged partition. I didn't know that, but CSM was disabled anyway. --->8 > On a 10 year old MoBo I would consider replacing the > NVRAM battery prior to (re)flashing. That's a good idea - thanks. -- Regards, Peter.
