[sangern:~$]sudo vim /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash text"

[sangern:~$]sudo update-grub

Sourcing file `/etc/default/grub'

Sourcing file `/etc/default/grub.d/50_linuxmint.cfg'

Generating grub configuration file ...

Found linux image: /boot/vmlinuz-4.15.0-47-generic

Found initrd image: /boot/initrd.img-4.15.0-47-generic

Found linux image: /boot/vmlinuz-4.15.0-20-generic

Found initrd image: /boot/initrd.img-4.15.0-20-generic

Found memtest86+ image: /boot/memtest86+.elf

Found memtest86+ image: /boot/memtest86+.bin

done

修改后不起作用。

但开机启动界面没有Linux Mint的图标，显示详细开机加载项了