Ubuntu installed on a pendrive - bootloader issue
10726
Is it still possible to install Ubuntu to an external harddrive with UEFI?
19535
How do I install Ubuntu from an USB drive / create a live USB-stick in Windows?
68493
Installing Grub 2 on a USB flash drive
23214
Uninstalling Ubuntu from dual boot / changing bootloader
130661
grub-install: this GPT partition label contains no BIOS Boot Partition
8745
Replace one Ubuntu with another from USB pen drive
82128
Ubuntu on a USB stick - boot in both BIOS and UEFI modes
46173
Can't boot Windows 7 after installing Ubuntu
66633
Booting from USB and not installing
12770
Why Doesn't a Bootable USB Boot
82914
Where is the boot loader installed?
84732
How to get GRUB to be the default bootloader instead of Windows Boot Manager on a UEFI laptop?
80685
Problems dualbooting Ubuntu because of UEFI
7273
Can't find boot-repair package for the newest version of Ubuntu
146636
Ubuntu 16.04 not booting from USB stick: gfxboot.c32: not a COM32R image
755
What should I do to force the root filesystem check (and optionally a fix) at boot?
30233
How can I fix/install/reinstall grub?