Grub screen blank after update-grub
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
105222
Windows 8 won't boot via GRUB after installing Ubuntu with boot-repair
9466
How to get to the GRUB menu at boot-time?
110419
No desktop icons on Ubuntu 19.04 after upgrade
30747
Encountered "/usr/sbin/grub-mkconfig: 8: /etc/default/grub: 4: not found" error while updating
106283
Boot hangs after installing the latest driver from PPA and Ctrl+Alt+F1 keyboard shortcut doesn't work
60113
System boots straight into Windows without showing GRUB
97491
Ubuntu boots to grub rescue
141240
Problem booting after updating from Ubuntu 14.10 to 15.04
149432
Grub Rescue prompt appears after deleting Ubuntu partition. Can't boot Windows
61164
Black screen on boot up no bios
129105
Can't boot, no grub, "alloc magic is broken"
39651
GRUB Help and Reinstalling Ubuntu
67545
grub2 wont load Ubuntu on dual boot
1285
My computer boots to a black screen, what options do I have to fix it?
136237
After update, get "error: file not found." followed by "grub rescue> _"
147559
Dual boot pc boots directly to ubuntu instead of showing grub menu