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Because of crash bugs I experienced on my Dell Inspiron, i've downloaded and installed a mainline kernel (this one), and the process run smoothly and without any errors.

Following these instructions, after installation the kernel should be offered as a boot option on start-up. But when I restart my laptop, it boots automatically into the regular Ubuntu system, and not entering any boot-menu I can choose from.

How can I enable such menu?

Thanks.

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  • Press the ESC or SHIFT key if you mean GRUB.
    – Star OS
    Jan 6, 2016 at 9:08
  • The bootloader (GRUB2) is hidden if you only have Ubuntu installed and no other OS (like Windows). To make it visible hold the SHIFT key while your computer starts up
    – Limecat
    Jan 6, 2016 at 9:13
  • I did hold the shift key while the computer started, and nothing changed in the procedure.
    – Or Nevo
    Jan 6, 2016 at 10:02

1 Answer 1

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I would recommend a GRUB reinstall, from your working Ubuntu install open a terminal (CTRL+ALT+T)

sudo grub-install /dev/sdX

Where /sdX is your preferd partition for GRUB, now update GRUB

sudo update-grub

That should do it but if still don't see grub hold the SHIFT key just after your bios is shown.

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  • welcome to AskUbuntu! As you are a new user, if this helps you please click the check mark on the left, to say thanks and allow others to find the information.
    – Mark Kirby
    Jan 6, 2016 at 10:23

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