After update no option Ubuntu in boot menu
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
88164
How do I boot into recovery mode?
69493
Add GRUB menu item to boot into terminal
157857
How do I boot my PC from GRUB?
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
46316
Mac OSX update broke booting Ubuntu
11323
"Install alongside" option missing. How do I install Ubuntu beside Windows using "Something Else"?
31105
Boot screen in low graphics/text mode
140691
Does "Erase Disk and Install Ubuntu" replace the default boot screen?
99655
WUBI installed Ubuntu not showing up at boot menu after Windows reinstallation
1285
My computer boots to a black screen, what options do I have to fix it?
10334
Stuck in Ubuntu Booting Screen
52539
Why can't I choose Ubuntu at boot?
58880
How to remove or hide the GRUB boot menu?
64198
How to update grub on a dual boot machine?
121308
How do I get the GRUB menu to show when starting my dual-boot system?
70351
How do I edit the boot order in the GRUB menu to have Windows first?