Ubuntu grub menu not showing fix
10929
Grub not showing on startup for Windows 8.1 Ubuntu 13.10 Dual boot
97491
Ubuntu boots to grub rescue
20204
How to safely change OS name in grub boot menu?
30233
How can I fix/install/reinstall grub?
147559
Dual boot pc boots directly to ubuntu instead of showing grub menu
23908
How can I reinstall GRUB to the EFI partition?
51288
Cannot get grub menu to timeout (or go away)
47607
Windows boot menu doesn't appear when booting
33870
Windows & Ubuntu dual boot.No menu to choose OS?
21732
Can't load GRUB all of a sudden (UEFI problem)
108195
Grub menu at boot time... "holding shift" not working
1694
How do I set the grub timeout and the grub default boot entry?
4894
Boot-Repair created too many grub menu entries for Windows
110305
Why is Grub menu not shown when starting my computer?
64198
How to update grub on a dual boot machine?
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
103413
GRUB doesn't show Windows 10