Well… recovered my working endeavouros partition from Aug. 25 grub update/opens BIOS.
Could use a bit of advice on straightening out rEFInd probing for OSs and setting the boot order selection.
When I run “refind-install”, I get:
Keeping existing NVRAM entry
rEFInd is set as the default boot manager.
Existing //boot/refind_linux.conf found; not overwriting