如何解决主题中的问题？最新的安装是通过 USB 记忆棒完成的，使用 BIOS 中的引导选项，显示 USB 记忆棒的 UEFI
两个 Ubuntu 安装都是 Kubuntu 22.04.1。
更新 grub：
sudo update-grub
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.15.0-56-generic
Found initrd image: /boot/initrd.img-5.15.0-56-generic
Found linux image: /boot/vmlinuz-5.15.0-43-generic
Found initrd image: /boot/initrd.img-5.15.0-43-generic
Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting
Warning: os-prober will be executed to detect other bootable partitions.
Its output will be used to detect bootable binaries on them and create new boot entries.
Found Ubuntu 22.04.1 LTS (22.04) on /dev/sda2
Found Debian GNU/Linux stretch/sid on /dev/sdc2
Adding boot menu entry for UEFI Firmware Settings ...
done