Grub menu still displayed with 18.04
98936
How to set GRUB timeout to 0 on Ubuntu 18.04
127342
How do I boot into single-user mode from GRUB?
60845
Looking for the right way to rename the GRUB boot entries
147559
Dual boot pc boots directly to ubuntu instead of showing grub menu
16289
How do I uninstall GRUB?
41863
Mac OS X won't boot from grub menu in Ubuntu Precise on Apple MBA(5,2)
86090
How do I modify the boot menu for Windows 7?
69296
How to disable grub menu at boot time in Ubuntu 20.04?
103413
GRUB doesn't show Windows 10
73982
How to get grub2 to remember last choice?
138803
GRUB menu edit protection only
60113
System boots straight into Windows without showing GRUB
134227
After enabling hibernate grub menu appears on start-up with 30s timeout
46238
Grub not loading after Windows 8 Install
93688
How can I add a new operating system boot entry to the GRUB2 menu?
94793
How do you run update-grub?
33870
Windows & Ubuntu dual boot.No menu to choose OS?