I have GRUB v 2.8.9 (Ubuntu 18.10). I want to install Remix OS in dual boot. I created an entry for Remix OS with GRUB Customizer. But when I'm trying to boot, I don't have any GRUB menu appearing.

So, I tried to fix that by editing /etc/default/grub, but there's no line GRUB_HIDDEN_TIMEOUT. I do have GRUB_TIMEOUT_STYLE="hidden" and GRUB_TIMEOUT="0".

How can I show my GRUB on boot?

  • 3
    Possible duplicate of How to get to the GRUB menu at boot-time? – Mohammad C Nov 19 '18 at 22:35
  • @MohammadC i do not have line: "GRUB_HIDDEN_TIMEOUT", to do this – Dima Soltusyuk Nov 21 '18 at 3:50
  • Just add it to the file and dont forget to update grub – Mohammad C Nov 21 '18 at 3:51
  • @MohammadC i must comment line "GRUB_HIDDEN_TIMEOUT" to solve this problem, but if i add this line in code, and comment it, then, either first variant nor second will not work, because both in 2 variants this line of code will not be compiling – Dima Soltusyuk Nov 21 '18 at 19:27
  • I just wanna to make the grub to open permanently, when i am booting my pc. – Dima Soltusyuk Nov 21 '18 at 19:29

Below are my GRUB settings, which do what you want. Make a backup of your /etc/default/grub file and try mine to see if does what you want.

Don't forget to run sudo update-grub any time you edit the file...

I noticed my GRUB_TIMEOUT line doesn't have quotes and

  • 0 means do not time out so skips menu,
  • postive number means skip menu after the given number of secs and
  • -1 means don't skip.

Also try removing the quotes from GRUB_TIMEOUT_STYLE. Also try setting that to menu, not countdown or hidden.

Check out the documentation to see what each setting does.

I think these are the main settings you need.


My current /etc/default/grub

GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
  • Thanks a lot, i'll try it tomorrow, i think it should work. – Dima Soltusyuk Nov 22 '18 at 20:07

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