So, I did a regular old update like 2 days ago & then when I rebooted, it went into the grub_rescue boot. I had a specific missing calloc file.
I've kind of worked through some of it (I think) but am now stuck with the BIOS boot order sort of out of whack. I don't know why any of this happened: & sort of most specifically right now, I don't know why the BIOS settings that I had are now not working. I keep booting directly into windows (which was not the case before the grub rescue the other day).
This is happening on an Acer F15 laptop: I'd almost not mind the clean reinstall of the new Ubuntu 20 LTS; but I'd strongly prefer not losing some files on my current install.
My bios are in uefi (not legacy); the windows boot loader is way down the order list in the boot sequence; so not sure why Ubuntu isn't popping up first.
Help please.
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