how do I fix grub rescue?
918
How to remove Ubuntu and put Windows back on?
16289
How do I uninstall GRUB?
135382
Ubuntu won't boot - kernel error?
109560
How to reinstall GRUB2 EFI?
30747
Encountered "/usr/sbin/grub-mkconfig: 8: /etc/default/grub: 4: not found" error while updating
28871
Error: "Failed to open \EFI\BOOT\grubx64.efi..." (Dual-Booting)
96557
How to exit grub rescue?
149432
Grub Rescue prompt appears after deleting Ubuntu partition. Can't boot Windows
143712
Repair Grub after install windows?
23908
How can I reinstall GRUB to the EFI partition?
51288
Cannot get grub menu to timeout (or go away)
98936
How to set GRUB timeout to 0 on Ubuntu 18.04
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
39651
GRUB Help and Reinstalling Ubuntu
27017
How to fix a grub boot error : "symbol 'grub_calloc' not found
6913
Grub update warning in Ubuntu 14.04
21369
Boot error after screwing up dual-boot files