Ubuntu – How to get to the GRUB menu at boot-time

bootgrub2menu

My system is not dual-boot, I run a standard Ubuntu desktop system "on the metal" (I think running it in a VM is the same).

Pressing c while booting does not cause the GRUB menu to appear (which I believe it does for a dual-boot system).

How can I get the GRUB-menu to present itself on a single-boot system?

Best Answer

Menu will appear if you press and hold Shift during loading Grub, if you boot using BIOS. When your system boots using UEFI, press Esc.

For permanent change you'll need to edit your /etc/default/grub file -- place a "#" symbol at the start of line GRUB_HIDDEN_TIMEOUT=0.

Save changes and run sudo update-grub to apply changes.

Documentation: https://help.ubuntu.com/community/Grub2

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Ubuntu – Ubuntu missing from boot menu

This might be a problem of broken grub. Grub is basically a boot loader. In other words it is the screen that comes up with options to start Windows or Ubuntu. I had a very similar problem. In my case I had dual booted Mint and Ubuntu. To fix the grub, check this.

Ubuntu – Grub menu at boot time… “holding shift” not working

I also cannot access the GRUB menu by any manner of pressing shift or esc on my Asus X205TA. To get the GRUB menu to display at boot, I had to modify the /etc/default/grub file. See this page.

To get the GRUB menu to display every time (until I change it back) I used nano to edit the file in the terminal. Type:

sudo nano /etc/default/grub

find the line that says GRUB_HIDDEN_TIMEOUT=0 or GRUB_TIMEOUT_STYLE=hidden put # at the start of this line to comment it out

#GRUB_HIDDEN_TIMEOUT=0

#GRUB_TIMEOUT_STYLE=hidden

and make sure GRUB_TIMEOUT=10 or some other number bigger than zero. When done exit nano saving changes and run

sudo update-grub

Best Answer

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