Below are the files as far as I know that play a role in this. I have omitted comments contained in the files and have only shown what is relevant. The custom.cfg file has been newly added due to the new OpenBSD menu entry, and the rest has been returned to its original state as shown.
/etc/default/grub: GRUB_DEFAULT=0 GRUB_TIMEOUT_STYLE=MENU GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" /etc/default/grub.d/50_linuxmint.cfg: #! /bin/sh set -e GRUB_DISTRIBUTOR="ubuntu" GRUB_DISABLE_OS_PROBER=false /boot/grub/custon.cfg: menuentry "OpenBSD" { set root(hd1,4) chainloader +1 } |
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Are we dealing with an MBR installation here, or UEFI? If UEFI, what does tree -ha /boot/efi report? (adjust location as required if rescue booted.)
Is Mint's (Ubuntu's) current Grub 2.06 the only Grub that has ever written to disk? If not, what did, and how long ago? Maybe it's time to reinstall Grub, not just update grub.cfg, custom.cfg and/or /etc/grub.conf.d/. ??? |
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Did you try plugging the keyboard into various USB ports? Check they were all unobstructed? Using a USB3 keyboard? USB3 port? Enable Legacy USB support or USB keyboard support in the BIOS? Do the Page UP/Down keys work? Do the arrow keys work when you access the BIOS?
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what will apt policy grub2-common say?
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Installed: 2.06-2ubuntu7.2 Candidate: 2.06-2ubuntu7.2 Version table: *** 2.06-2ubuntu7.2 500 500 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages 100 /var/lib/dpkg/status 2.06-2ubuntu7 500 500 http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages But above the menu it says: grub v2.04. |
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