Can't find my bootloader (GRUB) after updating Windows
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
17143
Windows 8 removes Grub as default boot manager
23908
How can I reinstall GRUB to the EFI partition?
32778
install the grub boot loader on a hard disk` failed on my pc
48388
Ubuntu boots from USB but get GRUB rescue after installation
47607
Windows boot menu doesn't appear when booting
79880
How to boot to the recovery mode if it is not listed in Grub?
115558
After Windows 10 upgrade I can no longer access BIOS
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
74423
Windows 10: Missing boot.wim?
136237
After update, get "error: file not found." followed by "grub rescue> _"
138901
GRUB2 does not show Windows 8 option to boot into after Dual Boot
60113
System boots straight into Windows without showing GRUB
39946
How to show GRUB after install Ubuntu over Windows 8?
64540
GRUB2 shows Windows 7 or Windows Recovery Environment instead of Windows 10
27017
How to fix a grub boot error : "symbol 'grub_calloc' not found
107544
How can I remove Ubuntu from my system and install the Windows bootloader?