GRUB problem: 12.04 not booting without USB drive
3279
Can't boot without Flash Drive plugged in
77830
Is a /boot partition necessary anymore?
77750
Booting from a USB drive that was originally a boot drive
141181
How to boot from ubuntu live usb with 'try ubuntu' directly?
83727
Grub rescue no such device, also cannot access BIOS
46238
Grub not loading after Windows 8 Install
105937
Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')
4499
Need help to install persistent Ubuntu on USB drive
66116
Grub menu not showing up at boot
59448
Is it possible to install Ubuntu on my Windows 8 computer without any CD or USB drive?
50346
Bootloader Problems Grub Won't Load Windows 7
145858
Ubuntu 12.04.3 LTS installation failed. says: "GRUB installation failed"
126804
My ubuntu partition was deleted and I can't boot from either a DVD or USB
24881
Installing grub2 in efi-mode in usb flash drive
51232
Boot error > no such device: grub rescue
152307
How to install and use Ubuntu from a USB flash drive on Windows 8?
78139
No grub menu after Ubuntu install, booting directly into Ubuntu