On Monday, 12 October 2020 17:43:04 BST Michael wrote: > The UEFI firmware contains a number of variables in key/value pairs, stored > on NVRAM. One of these is a table containing a Boot Menu within an > editable area of the firmware, which can be manipulated with the EFI shell > (efibootmgr) to set, rename, delete bootable .efi images.
[...etc] Thanks Michael; more-or-less what I thought. -- Regards, Peter.