Take the 2-minute tour ×  This question already has an answer
here:  Installing Ubuntu 10.10 I get the GRUB2 boot manager. By
default is does instant booting of the first entry, i.e. you
have to hold the Shift key while booting when you want to enter
the menu.  How can I disable this behavior? I mean, how can I
configure GRUB2 such that it always displays its menu and uses
perhaps a timeout of 5 seconds for the first entry?
share|improve this question  marked as duplicate by bain, Alaa
Ali, Eliah Kagan, muru, Eric Carvalho Aug 9 at 22:28   2 Answers
2  up vote 10 down vote accepted  Check out the extremely
detailed and well-written Wiki entry for Grub2. The setting
GRUB_HIDDEN_TIMEOUT should be what you are looking for. But pay
attention to the instructions on how to change settings.
share|improve this answer Yes, setting GRUB_HIDDEN_TIMEOUT=
(yes, this a newline after the equal sign) and running update-
grub disables instant booting. The grub menu is then displayed
for GRUB_TIMEOUT seconds. IMHO this is a l