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iso file into any external media (USB stick, writeable CD-ROM etc.). ) and then either using UNetbootin to burn it into a USB stick (flashdrive) or (if you have access to a Linux shell terminal such as bash) using dd to burn such. The most basic ones, in my opinion, consist of downloading the *Ubuntu LiveCD. There are several ways to create a LiveCD. (VERY) LONG ANSWER: HOW TO PERFORM THE ABOVE PROCEDURES Boot from the LiveCD in case of problem.grubia32.efi or grub圆4.efi, created and stored at /boot/efi/EFI/ubuntu) still is the default EFI boot loader option. Run efibootmgr in order to make sure that ubuntu (i.e.Run sudo update-grub so these fixed default settings are applied to the "fresh" GRUB install.You do this by basically setting GRUB_TIMEOUT_STYLE=menu, GRUB_TIMEOUT=3 and GRUB_TERMINAL=console in /etc/default/grub.
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Fix GRUB's default settings at /etc/default/grub in order to activate GRUB's console mode and force GRUB to show its menu for 3 seconds, under such console mode.perform a "fresh" or "clean" GRUB install with a command such as grub-install /dev/sda grub-install -recheck). Delete the grub folder located at /boot.completely uninstall) the shim DEB packages ( shim and shim-signed) from the system. Delete the shim*.efi file located at /boot/efi/EFI/ubuntu/.Ubuntu, XUbuntu, KUbuntu.) distribution just in case. This workaround worked on my 13" Apple Macbook Pro mid-2009 running 64-bit XUbuntu 20.04: So given this info, how do I configure GRUB to show a menu? I've looked at the grub.cfg on the USB installer, and it has this line which seems absent from /boot/grub/grub.cfg on my Ubuntu install: insmod efi_gop If I press the ESC key when the _ is showing, the boot will not continue and the screen is stuck like that until I forcibly power down the system by holding the power button.Ī clue that I have noticed is that the grub menu works perfectly fine when booting from the USB installer.
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When my computer boots, I see a non-blinking _ symbol for about 5 seconds and then I see the normal kernel output that you seen when Ubuntu starts booting. GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
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Right now, this is what my /etc/default/grub file contains: GRUB_DEFAULT=0 One of those issues is that I can't seem to get GRUB to show a menu no matter what I do. Right now my system is working but it has a few issues. I've installed Ubuntu 19.10 on my MacBook (Mid-2010 a.k.a.
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