We often face an issue where Grub menu disappear after installing a new operating system.
By default, your GRUB is set to hide the OS selection menu on boot.
Basically, what you'll need to do is make the following change:
1. Open up a terminal (
2. Edit the file and comment below two lines (adding # before the lines)
becomes
Save the file
3. Update the grub
When you reboot you should see the OS Selection Menu.
By default, your GRUB is set to hide the OS selection menu on boot.
Basically, what you'll need to do is make the following change:
1. Open up a terminal (
ctrl+alt+t) and then enter in the following command: $ sudo vim /etc/default/grub
2. Edit the file and comment below two lines (adding # before the lines)
GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=truebecomes
#GRUB_HIDDEN_TIMEOUT=0#GRUB_HIDDEN_TIMEOUT_QUIET=trueSave the file
3. Update the grub
$sudo update-grub
When you reboot you should see the OS Selection Menu.
