Why does Ubuntu always boot regardless of boot priority?
13154
How to change boot priority?
10925
Grub not loading config file or booting into linux automatically
95189
Why doesn't my systemd user unit start at boot?
47237
auto start or enable service on boot up permanently ubuntu 16.04 lts
88502
How do I hide the GRUB menu showing up at the beginning of boot?
90002
How can I get grub2 to boot a different option only on the next boot?
6346
How do I avoid the "S to Skip" message on boot?
68087
How to prevent Ubuntu from overwriting grub bootloader after update?
48941
How is /etc/default/grub generated during installation?
76571
grub error: you need to load kernel first
110099
Booting ubuntu gives "init not found"
30233
How can I fix/install/reinstall grub?
100137
Windows 10 changes UEFI boot order every time
22116
How to enable numlock at boot time for login screen?
141948
How can I debug why Ubuntu boots to BusyBox?
127644
How to fix 'Android is starting' optimization on every boot?
78405
I can't get grub menu to show up during boot